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Finding the Fourth Proportional to 622,892.40, 934,338.60 and 581,420.40

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Solution

The fourth proportional to 622,892.40, 934,338.60 and 581,420.40 is: 872,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,892.40 : 934,338.60 = 581,420.40 : x
  2. Step 2: Convert to fraction form
    622,892.40/934,338.60 = 581,420.40/x
  3. Step 3: Cross multiply
    622,892.40x = 934,338.60 × 581,420.40
  4. Step 4: Simplify right side
    622,892.40x = 543,243,522,547.44
  5. Step 5: Solve for x
    x = 543,243,522,547.44/622,892.40
  6. Step 6: Final answer
    x = 872,130.60

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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.