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Finding the Fourth Proportional to 556,174.20, 834,261.30 and 534,401.40

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Solution

The fourth proportional to 556,174.20, 834,261.30 and 534,401.40 is: 801,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,174.20 : 834,261.30 = 534,401.40 : x
  2. Step 2: Convert to fraction form
    556,174.20/834,261.30 = 534,401.40/x
  3. Step 3: Cross multiply
    556,174.20x = 834,261.30 × 534,401.40
  4. Step 4: Simplify right side
    556,174.20x = 445,830,406,685.82
  5. Step 5: Solve for x
    x = 445,830,406,685.82/556,174.20
  6. Step 6: Final answer
    x = 801,602.10

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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.