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Finding the Fourth Proportional to 488,443.40, 732,665.10 and 329,011.10

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Solution

The fourth proportional to 488,443.40, 732,665.10 and 329,011.10 is: 493,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,443.40 : 732,665.10 = 329,011.10 : x
  2. Step 2: Convert to fraction form
    488,443.40/732,665.10 = 329,011.10/x
  3. Step 3: Cross multiply
    488,443.40x = 732,665.10 × 329,011.10
  4. Step 4: Simplify right side
    488,443.40x = 241,054,950,482.61
  5. Step 5: Solve for x
    x = 241,054,950,482.61/488,443.40
  6. Step 6: Final answer
    x = 493,516.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.