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Finding the Fourth Proportional to 424,036.89, 636,050.04 and 124,506.66

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Solution

The fourth proportional to 424,036.89, 636,050.04 and 124,506.66 is: 186,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,036.89 : 636,050.04 = 124,506.66 : x
  2. Step 2: Convert to fraction form
    424,036.89/636,050.04 = 124,506.66/x
  3. Step 3: Cross multiply
    424,036.89x = 636,050.04 × 124,506.66
  4. Step 4: Simplify right side
    424,036.89x = 79,192,466,073.27
  5. Step 5: Solve for x
    x = 79,192,466,073.27/424,036.89
  6. Step 6: Final answer
    x = 186,758.44

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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.