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Finding the Fourth Proportional to 551,304.96, 761,084.28 and 471,588.84

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Solution

The fourth proportional to 551,304.96, 761,084.28 and 471,588.84 is: 651,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,304.96 : 761,084.28 = 471,588.84 : x
  2. Step 2: Convert to fraction form
    551,304.96/761,084.28 = 471,588.84/x
  3. Step 3: Cross multiply
    551,304.96x = 761,084.28 × 471,588.84
  4. Step 4: Simplify right side
    551,304.96x = 358,918,852,747.44
  5. Step 5: Solve for x
    x = 358,918,852,747.44/551,304.96
  6. Step 6: Final answer
    x = 651,035.05

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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.