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Finding the Fourth Proportional to 1,067,541.60, 1,473,582.72 and 659,956.08

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Solution

The fourth proportional to 1,067,541.60, 1,473,582.72 and 659,956.08 is: 910,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,541.60 : 1,473,582.72 = 659,956.08 : x
  2. Step 2: Convert to fraction form
    1,067,541.60/1,473,582.72 = 659,956.08/x
  3. Step 3: Cross multiply
    1,067,541.60x = 1,473,582.72 × 659,956.08
  4. Step 4: Simplify right side
    1,067,541.60x = 972,499,875,446.94
  5. Step 5: Solve for x
    x = 972,499,875,446.94/1,067,541.60
  6. Step 6: Final answer
    x = 910,971.41

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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.