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Finding the Fourth Proportional to 574,602.62, 862,275.69 and 259,040.30

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Solution

The fourth proportional to 574,602.62, 862,275.69 and 259,040.30 is: 388,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,602.62 : 862,275.69 = 259,040.30 : x
  2. Step 2: Convert to fraction form
    574,602.62/862,275.69 = 259,040.30/x
  3. Step 3: Cross multiply
    574,602.62x = 862,275.69 × 259,040.30
  4. Step 4: Simplify right side
    574,602.62x = 223,364,153,420.31
  5. Step 5: Solve for x
    x = 223,364,153,420.31/574,602.62
  6. Step 6: Final answer
    x = 388,728.05

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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.