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Finding the Fourth Proportional to 616,629.20, 924,329.40 and 283,624.40

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Solution

The fourth proportional to 616,629.20, 924,329.40 and 283,624.40 is: 425,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,629.20 : 924,329.40 = 283,624.40 : x
  2. Step 2: Convert to fraction form
    616,629.20/924,329.40 = 283,624.40/x
  3. Step 3: Cross multiply
    616,629.20x = 924,329.40 × 283,624.40
  4. Step 4: Simplify right side
    616,629.20x = 262,162,371,477.36
  5. Step 5: Solve for x
    x = 262,162,371,477.36/616,629.20
  6. Step 6: Final answer
    x = 425,154.00

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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.