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Finding the Fourth Proportional to 654,059,568.59, 902,447,064.00 and 371,779,790.29

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Solution

The fourth proportional to 654,059,568.59, 902,447,064.00 and 371,779,790.29 is: 512,967,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,059,568.59 : 902,447,064.00 = 371,779,790.29 : x
  2. Step 2: Convert to fraction form
    654,059,568.59/902,447,064.00 = 371,779,790.29/x
  3. Step 3: Cross multiply
    654,059,568.59x = 902,447,064.00 × 371,779,790.29
  4. Step 4: Simplify right side
    654,059,568.59x = 335,511,580,195,375,104
  5. Step 5: Solve for x
    x = 335,511,580,195,375,104/654,059,568.59
  6. Step 6: Final answer
    x = 512,967,925.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.