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Finding the Fourth Proportional to 657,542.58, 907,399.80 and 367,158.62

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Solution

The fourth proportional to 657,542.58, 907,399.80 and 367,158.62 is: 506,673.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,542.58 : 907,399.80 = 367,158.62 : x
  2. Step 2: Convert to fraction form
    657,542.58/907,399.80 = 367,158.62/x
  3. Step 3: Cross multiply
    657,542.58x = 907,399.80 × 367,158.62
  4. Step 4: Simplify right side
    657,542.58x = 333,159,653,819.28
  5. Step 5: Solve for x
    x = 333,159,653,819.28/657,542.58
  6. Step 6: Final answer
    x = 506,673.89

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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.