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Finding the Fourth Proportional to 519,168.52, 716,445.30 and 292,886.92

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Solution

The fourth proportional to 519,168.52, 716,445.30 and 292,886.92 is: 404,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,168.52 : 716,445.30 = 292,886.92 : x
  2. Step 2: Convert to fraction form
    519,168.52/716,445.30 = 292,886.92/x
  3. Step 3: Cross multiply
    519,168.52x = 716,445.30 × 292,886.92
  4. Step 4: Simplify right side
    519,168.52x = 209,837,457,265.48
  5. Step 5: Solve for x
    x = 209,837,457,265.48/519,168.52
  6. Step 6: Final answer
    x = 404,179.86

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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.