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Finding the Fourth Proportional to 616,417.74, 924,813.44 and 436,850.35

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Solution

The fourth proportional to 616,417.74, 924,813.44 and 436,850.35 is: 655,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,417.74 : 924,813.44 = 436,850.35 : x
  2. Step 2: Convert to fraction form
    616,417.74/924,813.44 = 436,850.35/x
  3. Step 3: Cross multiply
    616,417.74x = 924,813.44 × 436,850.35
  4. Step 4: Simplify right side
    616,417.74x = 404,005,072,289.95
  5. Step 5: Solve for x
    x = 404,005,072,289.95/616,417.74
  6. Step 6: Final answer
    x = 655,407.93

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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.