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Finding the Fourth Proportional to 530,725.34, 732,393.72 and 301,280.62

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Solution

The fourth proportional to 530,725.34, 732,393.72 and 301,280.62 is: 415,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,725.34 : 732,393.72 = 301,280.62 : x
  2. Step 2: Convert to fraction form
    530,725.34/732,393.72 = 301,280.62/x
  3. Step 3: Cross multiply
    530,725.34x = 732,393.72 × 301,280.62
  4. Step 4: Simplify right side
    530,725.34x = 220,656,034,045.71
  5. Step 5: Solve for x
    x = 220,656,034,045.71/530,725.34
  6. Step 6: Final answer
    x = 415,763.14

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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.