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Finding the Fourth Proportional to 362,897,648.60, 544,346,472.90 and 217,778,826.20

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Solution

The fourth proportional to 362,897,648.60, 544,346,472.90 and 217,778,826.20 is: 326,668,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,897,648.60 : 544,346,472.90 = 217,778,826.20 : x
  2. Step 2: Convert to fraction form
    362,897,648.60/544,346,472.90 = 217,778,826.20/x
  3. Step 3: Cross multiply
    362,897,648.60x = 544,346,472.90 × 217,778,826.20
  4. Step 4: Simplify right side
    362,897,648.60x = 118,547,135,914,272,096
  5. Step 5: Solve for x
    x = 118,547,135,914,272,096/362,897,648.60
  6. Step 6: Final answer
    x = 326,668,239.30

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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.