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Finding the Fourth Proportional to 424,055.20, 636,374.40 and 174,737.20

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Solution

The fourth proportional to 424,055.20, 636,374.40 and 174,737.20 is: 262,225.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,055.20 : 636,374.40 = 174,737.20 : x
  2. Step 2: Convert to fraction form
    424,055.20/636,374.40 = 174,737.20/x
  3. Step 3: Cross multiply
    424,055.20x = 636,374.40 × 174,737.20
  4. Step 4: Simplify right side
    424,055.20x = 111,198,280,807.68
  5. Step 5: Solve for x
    x = 111,198,280,807.68/424,055.20
  6. Step 6: Final answer
    x = 262,225.96

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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.