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Finding the Fourth Proportional to 503,146.08, 754,477.92 and 236,681.76

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Solution

The fourth proportional to 503,146.08, 754,477.92 and 236,681.76 is: 354,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,146.08 : 754,477.92 = 236,681.76 : x
  2. Step 2: Convert to fraction form
    503,146.08/754,477.92 = 236,681.76/x
  3. Step 3: Cross multiply
    503,146.08x = 754,477.92 × 236,681.76
  4. Step 4: Simplify right side
    503,146.08x = 178,571,161,986.74
  5. Step 5: Solve for x
    x = 178,571,161,986.74/503,146.08
  6. Step 6: Final answer
    x = 354,909.18

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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.