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Finding the Fourth Proportional to 582,597.08, 873,005.40 and 392,354

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Solution

The fourth proportional to 582,597.08, 873,005.40 and 392,354 is: 587,931.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,597.08 : 873,005.40 = 392,354 : x
  2. Step 2: Convert to fraction form
    582,597.08/873,005.40 = 392,354/x
  3. Step 3: Cross multiply
    582,597.08x = 873,005.40 × 392,354
  4. Step 4: Simplify right side
    582,597.08x = 342,527,160,711.60
  5. Step 5: Solve for x
    x = 342,527,160,711.60/582,597.08
  6. Step 6: Final answer
    x = 587,931.48

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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.