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Finding the Fourth Proportional to 584,877.38, 807,132.94 and 316,605.38

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Solution

The fourth proportional to 584,877.38, 807,132.94 and 316,605.38 is: 436,916.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,877.38 : 807,132.94 = 316,605.38 : x
  2. Step 2: Convert to fraction form
    584,877.38/807,132.94 = 316,605.38/x
  3. Step 3: Cross multiply
    584,877.38x = 807,132.94 × 316,605.38
  4. Step 4: Simplify right side
    584,877.38x = 255,542,626,352.04
  5. Step 5: Solve for x
    x = 255,542,626,352.04/584,877.38
  6. Step 6: Final answer
    x = 436,916.59

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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.