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Finding the Fourth Proportional to 530,703.09, 732,177.92 and 301,127.42

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Solution

The fourth proportional to 530,703.09, 732,177.92 and 301,127.42 is: 415,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,703.09 : 732,177.92 = 301,127.42 : x
  2. Step 2: Convert to fraction form
    530,703.09/732,177.92 = 301,127.42/x
  3. Step 3: Cross multiply
    530,703.09x = 732,177.92 × 301,127.42
  4. Step 4: Simplify right side
    530,703.09x = 220,478,842,864.04
  5. Step 5: Solve for x
    x = 220,478,842,864.04/530,703.09
  6. Step 6: Final answer
    x = 415,446.70

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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.