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Finding the Fourth Proportional to 361,673.04, 542,509.53 and 124,886.55

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Solution

The fourth proportional to 361,673.04, 542,509.53 and 124,886.55 is: 187,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,673.04 : 542,509.53 = 124,886.55 : x
  2. Step 2: Convert to fraction form
    361,673.04/542,509.53 = 124,886.55/x
  3. Step 3: Cross multiply
    361,673.04x = 542,509.53 × 124,886.55
  4. Step 4: Simplify right side
    361,673.04x = 67,752,143,543.82
  5. Step 5: Solve for x
    x = 67,752,143,543.82/361,673.04
  6. Step 6: Final answer
    x = 187,329.81

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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.