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Finding the Fourth Proportional to 922,806.30, 1,384,209.45 and 910,364.70

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Solution

The fourth proportional to 922,806.30, 1,384,209.45 and 910,364.70 is: 1,365,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,806.30 : 1,384,209.45 = 910,364.70 : x
  2. Step 2: Convert to fraction form
    922,806.30/1,384,209.45 = 910,364.70/x
  3. Step 3: Cross multiply
    922,806.30x = 1,384,209.45 × 910,364.70
  4. Step 4: Simplify right side
    922,806.30x = 1,260,135,420,686.41
  5. Step 5: Solve for x
    x = 1,260,135,420,686.41/922,806.30
  6. Step 6: Final answer
    x = 1,365,547.05

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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.