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Finding the Fourth Proportional to 411,148.80, 567,374.40 and 232,300.80

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Solution

The fourth proportional to 411,148.80, 567,374.40 and 232,300.80 is: 320,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,148.80 : 567,374.40 = 232,300.80 : x
  2. Step 2: Convert to fraction form
    411,148.80/567,374.40 = 232,300.80/x
  3. Step 3: Cross multiply
    411,148.80x = 567,374.40 × 232,300.80
  4. Step 4: Simplify right side
    411,148.80x = 131,801,527,019.52
  5. Step 5: Solve for x
    x = 131,801,527,019.52/411,148.80
  6. Step 6: Final answer
    x = 320,568.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.