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Finding the Fourth Proportional to 275,234,689.80, 412,852,034.70 and 152,790,683.40

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Solution

The fourth proportional to 275,234,689.80, 412,852,034.70 and 152,790,683.40 is: 229,186,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,234,689.80 : 412,852,034.70 = 152,790,683.40 : x
  2. Step 2: Convert to fraction form
    275,234,689.80/412,852,034.70 = 152,790,683.40/x
  3. Step 3: Cross multiply
    275,234,689.80x = 412,852,034.70 × 152,790,683.40
  4. Step 4: Simplify right side
    275,234,689.80x = 63,079,944,524,893,512
  5. Step 5: Solve for x
    x = 63,079,944,524,893,512/275,234,689.80
  6. Step 6: Final answer
    x = 229,186,025.10

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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.