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Finding the Fourth Proportional to 362,897,646.60, 544,346,469.90 and 217,778,824.20

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Solution

The fourth proportional to 362,897,646.60, 544,346,469.90 and 217,778,824.20 is: 326,668,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,897,646.60 : 544,346,469.90 = 217,778,824.20 : x
  2. Step 2: Convert to fraction form
    362,897,646.60/544,346,469.90 = 217,778,824.20/x
  3. Step 3: Cross multiply
    362,897,646.60x = 544,346,469.90 × 217,778,824.20
  4. Step 4: Simplify right side
    362,897,646.60x = 118,547,134,172,242,672
  5. Step 5: Solve for x
    x = 118,547,134,172,242,672/362,897,646.60
  6. Step 6: Final answer
    x = 326,668,236.30

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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.