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Finding the Fourth Proportional to 577,037.97, 865,448.24 and 156,258.45

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Solution

The fourth proportional to 577,037.97, 865,448.24 and 156,258.45 is: 234,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,037.97 : 865,448.24 = 156,258.45 : x
  2. Step 2: Convert to fraction form
    577,037.97/865,448.24 = 156,258.45/x
  3. Step 3: Cross multiply
    577,037.97x = 865,448.24 × 156,258.45
  4. Step 4: Simplify right side
    577,037.97x = 135,233,599,756.34
  5. Step 5: Solve for x
    x = 135,233,599,756.34/577,037.97
  6. Step 6: Final answer
    x = 234,358.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.