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Finding the Fourth Proportional to 922,433.10, 1,384,232.85 and 543,353.10

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Solution

The fourth proportional to 922,433.10, 1,384,232.85 and 543,353.10 is: 815,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,433.10 : 1,384,232.85 = 543,353.10 : x
  2. Step 2: Convert to fraction form
    922,433.10/1,384,232.85 = 543,353.10/x
  3. Step 3: Cross multiply
    922,433.10x = 1,384,232.85 × 543,353.10
  4. Step 4: Simplify right side
    922,433.10x = 752,127,210,169.34
  5. Step 5: Solve for x
    x = 752,127,210,169.34/922,433.10
  6. Step 6: Final answer
    x = 815,373.18

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1.5x scale

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.