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Finding the Fourth Proportional to 922,744.80, 1,384,117.20 and 910,303.20

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Solution

The fourth proportional to 922,744.80, 1,384,117.20 and 910,303.20 is: 1,365,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,744.80 : 1,384,117.20 = 910,303.20 : x
  2. Step 2: Convert to fraction form
    922,744.80/1,384,117.20 = 910,303.20/x
  3. Step 3: Cross multiply
    922,744.80x = 1,384,117.20 × 910,303.20
  4. Step 4: Simplify right side
    922,744.80x = 1,259,966,316,335.04
  5. Step 5: Solve for x
    x = 1,259,966,316,335.04/922,744.80
  6. Step 6: Final answer
    x = 1,365,454.80

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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.