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Finding the Fourth Proportional to 616,511,663.76, 924,973,069.12 and 410,063,959.52

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Solution

The fourth proportional to 616,511,663.76, 924,973,069.12 and 410,063,959.52 is: 615,232,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,511,663.76 : 924,973,069.12 = 410,063,959.52 : x
  2. Step 2: Convert to fraction form
    616,511,663.76/924,973,069.12 = 410,063,959.52/x
  3. Step 3: Cross multiply
    616,511,663.76x = 924,973,069.12 × 410,063,959.52
  4. Step 4: Simplify right side
    616,511,663.76x = 379,298,119,172,713,856
  5. Step 5: Solve for x
    x = 379,298,119,172,713,856/616,511,663.76
  6. Step 6: Final answer
    x = 615,232,673.55

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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.