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Finding the Fourth Proportional to 530,624.80, 732,225.30 and 301,186.84

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Solution

The fourth proportional to 530,624.80, 732,225.30 and 301,186.84 is: 415,616.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,624.80 : 732,225.30 = 301,186.84 : x
  2. Step 2: Convert to fraction form
    530,624.80/732,225.30 = 301,186.84/x
  3. Step 3: Cross multiply
    530,624.80x = 732,225.30 × 301,186.84
  4. Step 4: Simplify right side
    530,624.80x = 220,536,624,275.05
  5. Step 5: Solve for x
    x = 220,536,624,275.05/530,624.80
  6. Step 6: Final answer
    x = 415,616.88

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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.