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Finding the Fourth Proportional to 572,448,874.60, 858,673,311.90 and 533,901,687.40

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Solution

The fourth proportional to 572,448,874.60, 858,673,311.90 and 533,901,687.40 is: 800,852,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,448,874.60 : 858,673,311.90 = 533,901,687.40 : x
  2. Step 2: Convert to fraction form
    572,448,874.60/858,673,311.90 = 533,901,687.40/x
  3. Step 3: Cross multiply
    572,448,874.60x = 858,673,311.90 × 533,901,687.40
  4. Step 4: Simplify right side
    572,448,874.60x = 458,447,130,148,756,480
  5. Step 5: Solve for x
    x = 458,447,130,148,756,480/572,448,874.60
  6. Step 6: Final answer
    x = 800,852,531.10

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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.