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Finding the Fourth Proportional to 488,643.30, 732,964.95 and 370,545.30

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Solution

The fourth proportional to 488,643.30, 732,964.95 and 370,545.30 is: 555,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,643.30 : 732,964.95 = 370,545.30 : x
  2. Step 2: Convert to fraction form
    488,643.30/732,964.95 = 370,545.30/x
  3. Step 3: Cross multiply
    488,643.30x = 732,964.95 × 370,545.30
  4. Step 4: Simplify right side
    488,643.30x = 271,596,717,287.24
  5. Step 5: Solve for x
    x = 271,596,717,287.24/488,643.30
  6. Step 6: Final answer
    x = 555,817.95

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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.