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Finding the Fourth Proportional to 530,613.34, 732,209.45 and 301,175.30

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Solution

The fourth proportional to 530,613.34, 732,209.45 and 301,175.30 is: 415,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,613.34 : 732,209.45 = 301,175.30 : x
  2. Step 2: Convert to fraction form
    530,613.34/732,209.45 = 301,175.30/x
  3. Step 3: Cross multiply
    530,613.34x = 732,209.45 × 301,175.30
  4. Step 4: Simplify right side
    530,613.34x = 220,523,401,091.23
  5. Step 5: Solve for x
    x = 220,523,401,091.23/530,613.34
  6. Step 6: Final answer
    x = 415,600.94

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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.