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Finding the Fourth Proportional to 371,773,827.20, 557,660,740.80 and 223,820,652.80

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Solution

The fourth proportional to 371,773,827.20, 557,660,740.80 and 223,820,652.80 is: 335,730,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,773,827.20 : 557,660,740.80 = 223,820,652.80 : x
  2. Step 2: Convert to fraction form
    371,773,827.20/557,660,740.80 = 223,820,652.80/x
  3. Step 3: Cross multiply
    371,773,827.20x = 557,660,740.80 × 223,820,652.80
  4. Step 4: Simplify right side
    371,773,827.20x = 124,815,991,046,787,584
  5. Step 5: Solve for x
    x = 124,815,991,046,787,584/371,773,827.20
  6. Step 6: Final answer
    x = 335,730,979.20

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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.