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Finding the Fourth Proportional to 530,614.34, 732,210.82 and 301,176.30

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Solution

The fourth proportional to 530,614.34, 732,210.82 and 301,176.30 is: 415,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,614.34 : 732,210.82 = 301,176.30 : x
  2. Step 2: Convert to fraction form
    530,614.34/732,210.82 = 301,176.30/x
  3. Step 3: Cross multiply
    530,614.34x = 732,210.82 × 301,176.30
  4. Step 4: Simplify right side
    530,614.34x = 220,524,545,587.57
  5. Step 5: Solve for x
    x = 220,524,545,587.57/530,614.34
  6. Step 6: Final answer
    x = 415,602.31

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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.