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Finding the Fourth Proportional to 292,378.72, 403,471.20 and 183,541.64

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Solution

The fourth proportional to 292,378.72, 403,471.20 and 183,541.64 is: 253,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,378.72 : 403,471.20 = 183,541.64 : x
  2. Step 2: Convert to fraction form
    292,378.72/403,471.20 = 183,541.64/x
  3. Step 3: Cross multiply
    292,378.72x = 403,471.20 × 183,541.64
  4. Step 4: Simplify right side
    292,378.72x = 74,053,765,740.77
  5. Step 5: Solve for x
    x = 74,053,765,740.77/292,378.72
  6. Step 6: Final answer
    x = 253,280.29

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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.