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Finding the Fourth Proportional to 518,983.56, 716,197.44 and 292,629.12

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Solution

The fourth proportional to 518,983.56, 716,197.44 and 292,629.12 is: 403,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,983.56 : 716,197.44 = 292,629.12 : x
  2. Step 2: Convert to fraction form
    518,983.56/716,197.44 = 292,629.12/x
  3. Step 3: Cross multiply
    518,983.56x = 716,197.44 × 292,629.12
  4. Step 4: Simplify right side
    518,983.56x = 209,580,226,613.45
  5. Step 5: Solve for x
    x = 209,580,226,613.45/518,983.56
  6. Step 6: Final answer
    x = 403,828.26

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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.