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Finding the Fourth Proportional to 556,118.88, 834,166.70 and 177,065.76

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Solution

The fourth proportional to 556,118.88, 834,166.70 and 177,065.76 is: 265,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,118.88 : 834,166.70 = 177,065.76 : x
  2. Step 2: Convert to fraction form
    556,118.88/834,166.70 = 177,065.76/x
  3. Step 3: Cross multiply
    556,118.88x = 834,166.70 × 177,065.76
  4. Step 4: Simplify right side
    556,118.88x = 147,702,360,702.19
  5. Step 5: Solve for x
    x = 147,702,360,702.19/556,118.88
  6. Step 6: Final answer
    x = 265,594.94

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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.