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Finding the Fourth Proportional to 284,047.55, 392,127.65 and 176,652.18

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Solution

The fourth proportional to 284,047.55, 392,127.65 and 176,652.18 is: 243,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,047.55 : 392,127.65 = 176,652.18 : x
  2. Step 2: Convert to fraction form
    284,047.55/392,127.65 = 176,652.18/x
  3. Step 3: Cross multiply
    284,047.55x = 392,127.65 × 176,652.18
  4. Step 4: Simplify right side
    284,047.55x = 69,270,204,210.78
  5. Step 5: Solve for x
    x = 69,270,204,210.78/284,047.55
  6. Step 6: Final answer
    x = 243,868.34

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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.