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Finding the Fourth Proportional to 530,645.70, 732,296.08 and 304,247.46

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Solution

The fourth proportional to 530,645.70, 732,296.08 and 304,247.46 is: 419,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,645.70 : 732,296.08 = 304,247.46 : x
  2. Step 2: Convert to fraction form
    530,645.70/732,296.08 = 304,247.46/x
  3. Step 3: Cross multiply
    530,645.70x = 732,296.08 × 304,247.46
  4. Step 4: Simplify right side
    530,645.70x = 222,799,222,307.96
  5. Step 5: Solve for x
    x = 222,799,222,307.96/530,645.70
  6. Step 6: Final answer
    x = 419,864.37

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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.