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Finding the Fourth Proportional to 530,726.82, 732,395.72 and 301,282.10

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Solution

The fourth proportional to 530,726.82, 732,395.72 and 301,282.10 is: 415,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,726.82 : 732,395.72 = 301,282.10 : x
  2. Step 2: Convert to fraction form
    530,726.82/732,395.72 = 301,282.10/x
  3. Step 3: Cross multiply
    530,726.82x = 732,395.72 × 301,282.10
  4. Step 4: Simplify right side
    530,726.82x = 220,657,720,877.19
  5. Step 5: Solve for x
    x = 220,657,720,877.19/530,726.82
  6. Step 6: Final answer
    x = 415,765.16

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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.