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Finding the Fourth Proportional to 530,984.48, 732,752.88 and 304,665.44

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Solution

The fourth proportional to 530,984.48, 732,752.88 and 304,665.44 is: 420,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,984.48 : 732,752.88 = 304,665.44 : x
  2. Step 2: Convert to fraction form
    530,984.48/732,752.88 = 304,665.44/x
  3. Step 3: Cross multiply
    530,984.48x = 732,752.88 × 304,665.44
  4. Step 4: Simplify right side
    530,984.48x = 223,244,478,596.47
  5. Step 5: Solve for x
    x = 223,244,478,596.47/530,984.48
  6. Step 6: Final answer
    x = 420,435.04

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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.