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Finding the Fourth Proportional to 2,746,569.60, 4,119,854.40 and 724,809.60

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Solution

The fourth proportional to 2,746,569.60, 4,119,854.40 and 724,809.60 is: 1,087,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746,569.60 : 4,119,854.40 = 724,809.60 : x
  2. Step 2: Convert to fraction form
    2,746,569.60/4,119,854.40 = 724,809.60/x
  3. Step 3: Cross multiply
    2,746,569.60x = 4,119,854.40 × 724,809.60
  4. Step 4: Simplify right side
    2,746,569.60x = 2,986,110,019,722.24
  5. Step 5: Solve for x
    x = 2,986,110,019,722.24/2,746,569.60
  6. Step 6: Final answer
    x = 1,087,214.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.