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Finding the Fourth Proportional to 368,587.06, 508,666.50 and 207,452.54

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Solution

The fourth proportional to 368,587.06, 508,666.50 and 207,452.54 is: 286,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,587.06 : 508,666.50 = 207,452.54 : x
  2. Step 2: Convert to fraction form
    368,587.06/508,666.50 = 207,452.54/x
  3. Step 3: Cross multiply
    368,587.06x = 508,666.50 × 207,452.54
  4. Step 4: Simplify right side
    368,587.06x = 105,524,157,437.91
  5. Step 5: Solve for x
    x = 105,524,157,437.91/368,587.06
  6. Step 6: Final answer
    x = 286,293.71

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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.