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Finding the Fourth Proportional to 616,419.87, 924,816.63 and 436,852.47

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Solution

The fourth proportional to 616,419.87, 924,816.63 and 436,852.47 is: 655,411.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,419.87 : 924,816.63 = 436,852.47 : x
  2. Step 2: Convert to fraction form
    616,419.87/924,816.63 = 436,852.47/x
  3. Step 3: Cross multiply
    616,419.87x = 924,816.63 × 436,852.47
  4. Step 4: Simplify right side
    616,419.87x = 404,008,429,112.58
  5. Step 5: Solve for x
    x = 404,008,429,112.58/616,419.87
  6. Step 6: Final answer
    x = 655,411.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.