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Finding the Fourth Proportional to 694,856.60, 957,591.60 and 556,878.80

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Solution

The fourth proportional to 694,856.60, 957,591.60 and 556,878.80 is: 767,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,856.60 : 957,591.60 = 556,878.80 : x
  2. Step 2: Convert to fraction form
    694,856.60/957,591.60 = 556,878.80/x
  3. Step 3: Cross multiply
    694,856.60x = 957,591.60 × 556,878.80
  4. Step 4: Simplify right side
    694,856.60x = 533,262,461,098.08
  5. Step 5: Solve for x
    x = 533,262,461,098.08/694,856.60
  6. Step 6: Final answer
    x = 767,442.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.