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Finding the Fourth Proportional to 567,245.64, 851,393.42 and 286,959.72

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Solution

The fourth proportional to 567,245.64, 851,393.42 and 286,959.72 is: 430,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,245.64 : 851,393.42 = 286,959.72 : x
  2. Step 2: Convert to fraction form
    567,245.64/851,393.42 = 286,959.72/x
  3. Step 3: Cross multiply
    567,245.64x = 851,393.42 × 286,959.72
  4. Step 4: Simplify right side
    567,245.64x = 244,315,617,413.04
  5. Step 5: Solve for x
    x = 244,315,617,413.04/567,245.64
  6. Step 6: Final answer
    x = 430,705.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.