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Finding the Fourth Proportional to 554,474.97, 832,179.02 and 519,482.97

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Solution

The fourth proportional to 554,474.97, 832,179.02 and 519,482.97 is: 779,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,474.97 : 832,179.02 = 519,482.97 : x
  2. Step 2: Convert to fraction form
    554,474.97/832,179.02 = 519,482.97/x
  3. Step 3: Cross multiply
    554,474.97x = 832,179.02 × 519,482.97
  4. Step 4: Simplify right side
    554,474.97x = 432,302,826,283.88
  5. Step 5: Solve for x
    x = 432,302,826,283.88/554,474.97
  6. Step 6: Final answer
    x = 779,661.57

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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.