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Finding the Fourth Proportional to 670,931.96, 925,864.97 and 365,000.49

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Solution

The fourth proportional to 670,931.96, 925,864.97 and 365,000.49 is: 503,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,931.96 : 925,864.97 = 365,000.49 : x
  2. Step 2: Convert to fraction form
    670,931.96/925,864.97 = 365,000.49/x
  3. Step 3: Cross multiply
    670,931.96x = 925,864.97 × 365,000.49
  4. Step 4: Simplify right side
    670,931.96x = 337,941,165,898.83
  5. Step 5: Solve for x
    x = 337,941,165,898.83/670,931.96
  6. Step 6: Final answer
    x = 503,689.18

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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.