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Finding the Fourth Proportional to 530,737.47, 732,410.44 and 301,292.75

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Solution

The fourth proportional to 530,737.47, 732,410.44 and 301,292.75 is: 415,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,737.47 : 732,410.44 = 301,292.75 : x
  2. Step 2: Convert to fraction form
    530,737.47/732,410.44 = 301,292.75/x
  3. Step 3: Cross multiply
    530,737.47x = 732,410.44 × 301,292.75
  4. Step 4: Simplify right side
    530,737.47x = 220,669,954,089.85
  5. Step 5: Solve for x
    x = 220,669,954,089.85/530,737.47
  6. Step 6: Final answer
    x = 415,779.87

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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.