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Finding the Fourth Proportional to 488,510.46, 732,870.16 and 151,543.80

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Solution

The fourth proportional to 488,510.46, 732,870.16 and 151,543.80 is: 227,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,510.46 : 732,870.16 = 151,543.80 : x
  2. Step 2: Convert to fraction form
    488,510.46/732,870.16 = 151,543.80/x
  3. Step 3: Cross multiply
    488,510.46x = 732,870.16 × 151,543.80
  4. Step 4: Simplify right side
    488,510.46x = 111,061,928,953.01
  5. Step 5: Solve for x
    x = 111,061,928,953.01/488,510.46
  6. Step 6: Final answer
    x = 227,348.11

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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.