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Finding the Fourth Proportional to 712,405,000.40, 1,068,607,500.60 and 550,962,798.80

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Solution

The fourth proportional to 712,405,000.40, 1,068,607,500.60 and 550,962,798.80 is: 826,444,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,405,000.40 : 1,068,607,500.60 = 550,962,798.80 : x
  2. Step 2: Convert to fraction form
    712,405,000.40/1,068,607,500.60 = 550,962,798.80/x
  3. Step 3: Cross multiply
    712,405,000.40x = 1,068,607,500.60 × 550,962,798.80
  4. Step 4: Simplify right side
    712,405,000.40x = 588,762,979,349,248,640
  5. Step 5: Solve for x
    x = 588,762,979,349,248,640/712,405,000.40
  6. Step 6: Final answer
    x = 826,444,198.20

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1.5x scale

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.