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Finding the Fourth Proportional to 415,955.55, 574,005.49 and 234,665.10

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Solution

The fourth proportional to 415,955.55, 574,005.49 and 234,665.10 is: 323,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,955.55 : 574,005.49 = 234,665.10 : x
  2. Step 2: Convert to fraction form
    415,955.55/574,005.49 = 234,665.10/x
  3. Step 3: Cross multiply
    415,955.55x = 574,005.49 × 234,665.10
  4. Step 4: Simplify right side
    415,955.55x = 134,699,055,124.74
  5. Step 5: Solve for x
    x = 134,699,055,124.74/415,955.55
  6. Step 6: Final answer
    x = 323,830.40

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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.