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Finding the Fourth Proportional to 368,601.20, 508,686.02 and 207,466.68

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Solution

The fourth proportional to 368,601.20, 508,686.02 and 207,466.68 is: 286,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,601.20 : 508,686.02 = 207,466.68 : x
  2. Step 2: Convert to fraction form
    368,601.20/508,686.02 = 207,466.68/x
  3. Step 3: Cross multiply
    368,601.20x = 508,686.02 × 207,466.68
  4. Step 4: Simplify right side
    368,601.20x = 105,535,402,547.05
  5. Step 5: Solve for x
    x = 105,535,402,547.05/368,601.20
  6. Step 6: Final answer
    x = 286,313.24

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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.