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Finding the Fourth Proportional to 368,602.04, 508,687.19 and 207,467.53

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Solution

The fourth proportional to 368,602.04, 508,687.19 and 207,467.53 is: 286,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,602.04 : 508,687.19 = 207,467.53 : x
  2. Step 2: Convert to fraction form
    368,602.04/508,687.19 = 207,467.53/x
  3. Step 3: Cross multiply
    368,602.04x = 508,687.19 × 207,467.53
  4. Step 4: Simplify right side
    368,602.04x = 105,536,073,320.89
  5. Step 5: Solve for x
    x = 105,536,073,320.89/368,602.04
  6. Step 6: Final answer
    x = 286,314.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.