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Finding the Fourth Proportional to 569,718.60, 854,577.90 and 357,142.20

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Solution

The fourth proportional to 569,718.60, 854,577.90 and 357,142.20 is: 535,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,718.60 : 854,577.90 = 357,142.20 : x
  2. Step 2: Convert to fraction form
    569,718.60/854,577.90 = 357,142.20/x
  3. Step 3: Cross multiply
    569,718.60x = 854,577.90 × 357,142.20
  4. Step 4: Simplify right side
    569,718.60x = 305,205,831,277.38
  5. Step 5: Solve for x
    x = 305,205,831,277.38/569,718.60
  6. Step 6: Final answer
    x = 535,713.30

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Double scale
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Similar ratio
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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.