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Finding the Fourth Proportional to 701,018.40, 967,411.52 and 395,036.16

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Solution

The fourth proportional to 701,018.40, 967,411.52 and 395,036.16 is: 545,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,018.40 : 967,411.52 = 395,036.16 : x
  2. Step 2: Convert to fraction form
    701,018.40/967,411.52 = 395,036.16/x
  3. Step 3: Cross multiply
    701,018.40x = 967,411.52 × 395,036.16
  4. Step 4: Simplify right side
    701,018.40x = 382,162,532,000.56
  5. Step 5: Solve for x
    x = 382,162,532,000.56/701,018.40
  6. Step 6: Final answer
    x = 545,153.35

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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.