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Finding the Fourth Proportional to 711,482.28, 982,204.02 and 549,972.60

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Solution

The fourth proportional to 711,482.28, 982,204.02 and 549,972.60 is: 759,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,482.28 : 982,204.02 = 549,972.60 : x
  2. Step 2: Convert to fraction form
    711,482.28/982,204.02 = 549,972.60/x
  3. Step 3: Cross multiply
    711,482.28x = 982,204.02 × 549,972.60
  4. Step 4: Simplify right side
    711,482.28x = 540,185,298,609.85
  5. Step 5: Solve for x
    x = 540,185,298,609.85/711,482.28
  6. Step 6: Final answer
    x = 759,239.29

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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.