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Finding the Fourth Proportional to 518,986.56, 716,201.58 and 292,632.12

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Solution

The fourth proportional to 518,986.56, 716,201.58 and 292,632.12 is: 403,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,986.56 : 716,201.58 = 292,632.12 : x
  2. Step 2: Convert to fraction form
    518,986.56/716,201.58 = 292,632.12/x
  3. Step 3: Cross multiply
    518,986.56x = 716,201.58 × 292,632.12
  4. Step 4: Simplify right side
    518,986.56x = 209,583,586,702.75
  5. Step 5: Solve for x
    x = 209,583,586,702.75/518,986.56
  6. Step 6: Final answer
    x = 403,832.40

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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.