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Finding the Fourth Proportional to 582,002.90, 873,004.35 and 395,378.90

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Solution

The fourth proportional to 582,002.90, 873,004.35 and 395,378.90 is: 593,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,002.90 : 873,004.35 = 395,378.90 : x
  2. Step 2: Convert to fraction form
    582,002.90/873,004.35 = 395,378.90/x
  3. Step 3: Cross multiply
    582,002.90x = 873,004.35 × 395,378.90
  4. Step 4: Simplify right side
    582,002.90x = 345,167,499,598.22
  5. Step 5: Solve for x
    x = 345,167,499,598.22/582,002.90
  6. Step 6: Final answer
    x = 593,068.35

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Similar ratio
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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.