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Finding the Fourth Proportional to 411,196.80, 577,334.40 and 411,196.80

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Solution

The fourth proportional to 411,196.80, 577,334.40 and 411,196.80 is: 577,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,196.80 : 577,334.40 = 411,196.80 : x
  2. Step 2: Convert to fraction form
    411,196.80/577,334.40 = 411,196.80/x
  3. Step 3: Cross multiply
    411,196.80x = 577,334.40 × 411,196.80
  4. Step 4: Simplify right side
    411,196.80x = 237,398,057,809.92
  5. Step 5: Solve for x
    x = 237,398,057,809.92/411,196.80
  6. Step 6: Final answer
    x = 577,334.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.