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Finding the Fourth Proportional to 582,001.70, 873,002.55 and 245,422.40

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Solution

The fourth proportional to 582,001.70, 873,002.55 and 245,422.40 is: 368,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,001.70 : 873,002.55 = 245,422.40 : x
  2. Step 2: Convert to fraction form
    582,001.70/873,002.55 = 245,422.40/x
  3. Step 3: Cross multiply
    582,001.70x = 873,002.55 × 245,422.40
  4. Step 4: Simplify right side
    582,001.70x = 214,254,381,027.12
  5. Step 5: Solve for x
    x = 214,254,381,027.12/582,001.70
  6. Step 6: Final answer
    x = 368,133.60

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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.