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Finding the Fourth Proportional to 532,689,800.80, 799,034,701.20 and 169,220,898.40

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Solution

The fourth proportional to 532,689,800.80, 799,034,701.20 and 169,220,898.40 is: 253,831,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,689,800.80 : 799,034,701.20 = 169,220,898.40 : x
  2. Step 2: Convert to fraction form
    532,689,800.80/799,034,701.20 = 169,220,898.40/x
  3. Step 3: Cross multiply
    532,689,800.80x = 799,034,701.20 × 169,220,898.40
  4. Step 4: Simplify right side
    532,689,800.80x = 135,213,369,989,839,568
  5. Step 5: Solve for x
    x = 135,213,369,989,839,568/532,689,800.80
  6. Step 6: Final answer
    x = 253,831,347.60

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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.