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Finding the Fourth Proportional to 358,752, 495,077.76 and 207,936.48

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Solution

The fourth proportional to 358,752, 495,077.76 and 207,936.48 is: 286,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,752 : 495,077.76 = 207,936.48 : x
  2. Step 2: Convert to fraction form
    358,752/495,077.76 = 207,936.48/x
  3. Step 3: Cross multiply
    358,752x = 495,077.76 × 207,936.48
  4. Step 4: Simplify right side
    358,752x = 102,944,726,740.69
  5. Step 5: Solve for x
    x = 102,944,726,740.69/358,752
  6. Step 6: Final answer
    x = 286,952.34

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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.