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Finding the Fourth Proportional to 706,449.60, 974,849.58 and 400,532.04

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Solution

The fourth proportional to 706,449.60, 974,849.58 and 400,532.04 is: 552,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,449.60 : 974,849.58 = 400,532.04 : x
  2. Step 2: Convert to fraction form
    706,449.60/974,849.58 = 400,532.04/x
  3. Step 3: Cross multiply
    706,449.60x = 974,849.58 × 400,532.04
  4. Step 4: Simplify right side
    706,449.60x = 390,458,490,970.54
  5. Step 5: Solve for x
    x = 390,458,490,970.54/706,449.60
  6. Step 6: Final answer
    x = 552,705.37

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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.