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Finding the Fourth Proportional to 605,368.60, 908,052.90 and 577,812.40

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Solution

The fourth proportional to 605,368.60, 908,052.90 and 577,812.40 is: 866,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,368.60 : 908,052.90 = 577,812.40 : x
  2. Step 2: Convert to fraction form
    605,368.60/908,052.90 = 577,812.40/x
  3. Step 3: Cross multiply
    605,368.60x = 908,052.90 × 577,812.40
  4. Step 4: Simplify right side
    605,368.60x = 524,684,225,475.96
  5. Step 5: Solve for x
    x = 524,684,225,475.96/605,368.60
  6. Step 6: Final answer
    x = 866,718.60

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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.