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Finding the Fourth Proportional to 652,307,362.86, 978,614,248.76 and 215,608,000.29

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Solution

The fourth proportional to 652,307,362.86, 978,614,248.76 and 215,608,000.29 is: 323,462,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,307,362.86 : 978,614,248.76 = 215,608,000.29 : x
  2. Step 2: Convert to fraction form
    652,307,362.86/978,614,248.76 = 215,608,000.29/x
  3. Step 3: Cross multiply
    652,307,362.86x = 978,614,248.76 × 215,608,000.29
  4. Step 4: Simplify right side
    652,307,362.86x = 210,997,061,229,366,176
  5. Step 5: Solve for x
    x = 210,997,061,229,366,176/652,307,362.86
  6. Step 6: Final answer
    x = 323,462,639.31

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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.