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Finding the Fourth Proportional to 384,805.60, 577,208.40 and 104,322.40

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Solution

The fourth proportional to 384,805.60, 577,208.40 and 104,322.40 is: 156,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,805.60 : 577,208.40 = 104,322.40 : x
  2. Step 2: Convert to fraction form
    384,805.60/577,208.40 = 104,322.40/x
  3. Step 3: Cross multiply
    384,805.60x = 577,208.40 × 104,322.40
  4. Step 4: Simplify right side
    384,805.60x = 60,215,765,588.16
  5. Step 5: Solve for x
    x = 60,215,765,588.16/384,805.60
  6. Step 6: Final answer
    x = 156,483.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.