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Finding the Fourth Proportional to 358,655.54, 495,025.71 and 272,852.24

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Solution

The fourth proportional to 358,655.54, 495,025.71 and 272,852.24 is: 376,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,655.54 : 495,025.71 = 272,852.24 : x
  2. Step 2: Convert to fraction form
    358,655.54/495,025.71 = 272,852.24/x
  3. Step 3: Cross multiply
    358,655.54x = 495,025.71 × 272,852.24
  4. Step 4: Simplify right side
    358,655.54x = 135,068,873,831.09
  5. Step 5: Solve for x
    x = 135,068,873,831.09/358,655.54
  6. Step 6: Final answer
    x = 376,597.76

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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.