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Finding the Fourth Proportional to 503,475.16, 754,763.46 and 187,946.68

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Solution

The fourth proportional to 503,475.16, 754,763.46 and 187,946.68 is: 281,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,475.16 : 754,763.46 = 187,946.68 : x
  2. Step 2: Convert to fraction form
    503,475.16/754,763.46 = 187,946.68/x
  3. Step 3: Cross multiply
    503,475.16x = 754,763.46 × 187,946.68
  4. Step 4: Simplify right side
    503,475.16x = 141,855,286,492.31
  5. Step 5: Solve for x
    x = 141,855,286,492.31/503,475.16
  6. Step 6: Final answer
    x = 281,752.30

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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.