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Finding the Fourth Proportional to 445,925.86, 615,202.52 and 254,836.74

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Solution

The fourth proportional to 445,925.86, 615,202.52 and 254,836.74 is: 351,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,925.86 : 615,202.52 = 254,836.74 : x
  2. Step 2: Convert to fraction form
    445,925.86/615,202.52 = 254,836.74/x
  3. Step 3: Cross multiply
    445,925.86x = 615,202.52 × 254,836.74
  4. Step 4: Simplify right side
    445,925.86x = 156,776,204,636.59
  5. Step 5: Solve for x
    x = 156,776,204,636.59/445,925.86
  6. Step 6: Final answer
    x = 351,574.60

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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.