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Finding the Fourth Proportional to 519,081.92, 716,318.88 and 292,748.48

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Solution

The fourth proportional to 519,081.92, 716,318.88 and 292,748.48 is: 403,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,081.92 : 716,318.88 = 292,748.48 : x
  2. Step 2: Convert to fraction form
    519,081.92/716,318.88 = 292,748.48/x
  3. Step 3: Cross multiply
    519,081.92x = 716,318.88 × 292,748.48
  4. Step 4: Simplify right side
    519,081.92x = 209,701,263,315.30
  5. Step 5: Solve for x
    x = 209,701,263,315.30/519,081.92
  6. Step 6: Final answer
    x = 403,984.91

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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.