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Finding the Fourth Proportional to 514,113.90, 771,244.67 and 177,064.40

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Solution

The fourth proportional to 514,113.90, 771,244.67 and 177,064.40 is: 265,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,113.90 : 771,244.67 = 177,064.40 : x
  2. Step 2: Convert to fraction form
    514,113.90/771,244.67 = 177,064.40/x
  3. Step 3: Cross multiply
    514,113.90x = 771,244.67 × 177,064.40
  4. Step 4: Simplify right side
    514,113.90x = 136,559,970,005.20
  5. Step 5: Solve for x
    x = 136,559,970,005.20/514,113.90
  6. Step 6: Final answer
    x = 265,622.01

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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.