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Finding the Fourth Proportional to 358,560,100.80, 537,840,151.20 and 358,560,100.80

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Solution

The fourth proportional to 358,560,100.80, 537,840,151.20 and 358,560,100.80 is: 537,840,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,560,100.80 : 537,840,151.20 = 358,560,100.80 : x
  2. Step 2: Convert to fraction form
    358,560,100.80/537,840,151.20 = 358,560,100.80/x
  3. Step 3: Cross multiply
    358,560,100.80x = 537,840,151.20 × 358,560,100.80
  4. Step 4: Simplify right side
    358,560,100.80x = 192,848,018,828,559,264
  5. Step 5: Solve for x
    x = 192,848,018,828,559,264/358,560,100.80
  6. Step 6: Final answer
    x = 537,840,151.20

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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.