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Finding the Fourth Proportional to 674,561.71, 930,895.50 and 372,755.71

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Solution

The fourth proportional to 674,561.71, 930,895.50 and 372,755.71 is: 514,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,561.71 : 930,895.50 = 372,755.71 : x
  2. Step 2: Convert to fraction form
    674,561.71/930,895.50 = 372,755.71/x
  3. Step 3: Cross multiply
    674,561.71x = 930,895.50 × 372,755.71
  4. Step 4: Simplify right side
    674,561.71x = 346,996,613,038.31
  5. Step 5: Solve for x
    x = 346,996,613,038.31/674,561.71
  6. Step 6: Final answer
    x = 514,403.07

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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.