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Finding the Fourth Proportional to 284,673.28, 392,799.73 and 175,838.59

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Solution

The fourth proportional to 284,673.28, 392,799.73 and 175,838.59 is: 242,626.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,673.28 : 392,799.73 = 175,838.59 : x
  2. Step 2: Convert to fraction form
    284,673.28/392,799.73 = 175,838.59/x
  3. Step 3: Cross multiply
    284,673.28x = 392,799.73 × 175,838.59
  4. Step 4: Simplify right side
    284,673.28x = 69,069,350,726.98
  5. Step 5: Solve for x
    x = 69,069,350,726.98/284,673.28
  6. Step 6: Final answer
    x = 242,626.74

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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.