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Finding the Fourth Proportional to 589,376.80, 884,065.20 and 471,278.80

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Solution

The fourth proportional to 589,376.80, 884,065.20 and 471,278.80 is: 706,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,376.80 : 884,065.20 = 471,278.80 : x
  2. Step 2: Convert to fraction form
    589,376.80/884,065.20 = 471,278.80/x
  3. Step 3: Cross multiply
    589,376.80x = 884,065.20 × 471,278.80
  4. Step 4: Simplify right side
    589,376.80x = 416,641,186,577.76
  5. Step 5: Solve for x
    x = 416,641,186,577.76/589,376.80
  6. Step 6: Final answer
    x = 706,918.20

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Similar ratio
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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.