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Finding the Fourth Proportional to 807,396.56, 1,114,207.56 and 468,061.52

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Solution

The fourth proportional to 807,396.56, 1,114,207.56 and 468,061.52 is: 645,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,396.56 : 1,114,207.56 = 468,061.52 : x
  2. Step 2: Convert to fraction form
    807,396.56/1,114,207.56 = 468,061.52/x
  3. Step 3: Cross multiply
    807,396.56x = 1,114,207.56 × 468,061.52
  4. Step 4: Simplify right side
    807,396.56x = 521,517,684,129.09
  5. Step 5: Solve for x
    x = 521,517,684,129.09/807,396.56
  6. Step 6: Final answer
    x = 645,925.08

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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.