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Finding the Fourth Proportional to 703,972.16, 970,541.76 and 559,258.10

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Solution

The fourth proportional to 703,972.16, 970,541.76 and 559,258.10 is: 771,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,972.16 : 970,541.76 = 559,258.10 : x
  2. Step 2: Convert to fraction form
    703,972.16/970,541.76 = 559,258.10/x
  3. Step 3: Cross multiply
    703,972.16x = 970,541.76 × 559,258.10
  4. Step 4: Simplify right side
    703,972.16x = 542,783,340,668.26
  5. Step 5: Solve for x
    x = 542,783,340,668.26/703,972.16
  6. Step 6: Final answer
    x = 771,029.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.