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Finding the Fourth Proportional to 544,947.84, 752,020.80 and 306,483.84

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Solution

The fourth proportional to 544,947.84, 752,020.80 and 306,483.84 is: 422,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,947.84 : 752,020.80 = 306,483.84 : x
  2. Step 2: Convert to fraction form
    544,947.84/752,020.80 = 306,483.84/x
  3. Step 3: Cross multiply
    544,947.84x = 752,020.80 × 306,483.84
  4. Step 4: Simplify right side
    544,947.84x = 230,482,222,543.87
  5. Step 5: Solve for x
    x = 230,482,222,543.87/544,947.84
  6. Step 6: Final answer
    x = 422,943.64

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1.5x scale

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.