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Finding the Fourth Proportional to 934,963.60, 1,404,000.60 and 514,541.20

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Solution

The fourth proportional to 934,963.60, 1,404,000.60 and 514,541.20 is: 772,667.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,963.60 : 1,404,000.60 = 514,541.20 : x
  2. Step 2: Convert to fraction form
    934,963.60/1,404,000.60 = 514,541.20/x
  3. Step 3: Cross multiply
    934,963.60x = 1,404,000.60 × 514,541.20
  4. Step 4: Simplify right side
    934,963.60x = 722,416,153,524.72
  5. Step 5: Solve for x
    x = 722,416,153,524.72/934,963.60
  6. Step 6: Final answer
    x = 772,667.68

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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.