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Finding the Fourth Proportional to 560,531.25, 840,788.98 and 260,844.21

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Solution

The fourth proportional to 560,531.25, 840,788.98 and 260,844.21 is: 391,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,531.25 : 840,788.98 = 260,844.21 : x
  2. Step 2: Convert to fraction form
    560,531.25/840,788.98 = 260,844.21/x
  3. Step 3: Cross multiply
    560,531.25x = 840,788.98 × 260,844.21
  4. Step 4: Simplify right side
    560,531.25x = 219,314,936,612.70
  5. Step 5: Solve for x
    x = 219,314,936,612.70/560,531.25
  6. Step 6: Final answer
    x = 391,262.64

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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.