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Finding the Fourth Proportional to 368,342.59, 508,382.53 and 230,585.64

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Solution

The fourth proportional to 368,342.59, 508,382.53 and 230,585.64 is: 318,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,342.59 : 508,382.53 = 230,585.64 : x
  2. Step 2: Convert to fraction form
    368,342.59/508,382.53 = 230,585.64/x
  3. Step 3: Cross multiply
    368,342.59x = 508,382.53 × 230,585.64
  4. Step 4: Simplify right side
    368,342.59x = 117,225,708,561.97
  5. Step 5: Solve for x
    x = 117,225,708,561.97/368,342.59
  6. Step 6: Final answer
    x = 318,251.84

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1.5x scale

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.