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Finding the Fourth Proportional to 530,609.84, 732,204.63 and 301,171.80

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Solution

The fourth proportional to 530,609.84, 732,204.63 and 301,171.80 is: 415,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,609.84 : 732,204.63 = 301,171.80 : x
  2. Step 2: Convert to fraction form
    530,609.84/732,204.63 = 301,171.80/x
  3. Step 3: Cross multiply
    530,609.84x = 732,204.63 × 301,171.80
  4. Step 4: Simplify right side
    530,609.84x = 220,519,386,385.43
  5. Step 5: Solve for x
    x = 220,519,386,385.43/530,609.84
  6. Step 6: Final answer
    x = 415,596.11

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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.