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Finding the Fourth Proportional to 530,726.57, 732,395.37 and 301,281.85

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Solution

The fourth proportional to 530,726.57, 732,395.37 and 301,281.85 is: 415,764.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,726.57 : 732,395.37 = 301,281.85 : x
  2. Step 2: Convert to fraction form
    530,726.57/732,395.37 = 301,281.85/x
  3. Step 3: Cross multiply
    530,726.57x = 732,395.37 × 301,281.85
  4. Step 4: Simplify right side
    530,726.57x = 220,657,432,920.53
  5. Step 5: Solve for x
    x = 220,657,432,920.53/530,726.57
  6. Step 6: Final answer
    x = 415,764.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.