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Finding the Fourth Proportional to 556,809.64, 834,805.50 and 177,512.20

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Solution

The fourth proportional to 556,809.64, 834,805.50 and 177,512.20 is: 266,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,809.64 : 834,805.50 = 177,512.20 : x
  2. Step 2: Convert to fraction form
    556,809.64/834,805.50 = 177,512.20/x
  3. Step 3: Cross multiply
    556,809.64x = 834,805.50 × 177,512.20
  4. Step 4: Simplify right side
    556,809.64x = 148,188,160,877.10
  5. Step 5: Solve for x
    x = 148,188,160,877.10/556,809.64
  6. Step 6: Final answer
    x = 266,137.92

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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.