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Finding the Fourth Proportional to 752,880.52, 1,041,018.76 and 740,712.16

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Solution

The fourth proportional to 752,880.52, 1,041,018.76 and 740,712.16 is: 1,024,193.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,880.52 : 1,041,018.76 = 740,712.16 : x
  2. Step 2: Convert to fraction form
    752,880.52/1,041,018.76 = 740,712.16/x
  3. Step 3: Cross multiply
    752,880.52x = 1,041,018.76 × 740,712.16
  4. Step 4: Simplify right side
    752,880.52x = 771,095,254,320.12
  5. Step 5: Solve for x
    x = 771,095,254,320.12/752,880.52
  6. Step 6: Final answer
    x = 1,024,193.39

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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.