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Finding the Fourth Proportional to 968,347, 1,336,318.86 and 544,411

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Solution

The fourth proportional to 968,347, 1,336,318.86 and 544,411 is: 751,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,347 : 1,336,318.86 = 544,411 : x
  2. Step 2: Convert to fraction form
    968,347/1,336,318.86 = 544,411/x
  3. Step 3: Cross multiply
    968,347x = 1,336,318.86 × 544,411
  4. Step 4: Simplify right side
    968,347x = 727,506,686,891.46
  5. Step 5: Solve for x
    x = 727,506,686,891.46/968,347
  6. Step 6: Final answer
    x = 751,287.18

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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.