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Finding the Fourth Proportional to 503,041.60, 754,564.02 and 315,659.44

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Solution

The fourth proportional to 503,041.60, 754,564.02 and 315,659.44 is: 473,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,041.60 : 754,564.02 = 315,659.44 : x
  2. Step 2: Convert to fraction form
    503,041.60/754,564.02 = 315,659.44/x
  3. Step 3: Cross multiply
    503,041.60x = 754,564.02 × 315,659.44
  4. Step 4: Simplify right side
    503,041.60x = 238,185,254,110.94
  5. Step 5: Solve for x
    x = 238,185,254,110.94/503,041.60
  6. Step 6: Final answer
    x = 473,490.18

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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.