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Finding the Fourth Proportional to 589,386.80, 884,080.20 and 471,288.80

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Solution

The fourth proportional to 589,386.80, 884,080.20 and 471,288.80 is: 706,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,386.80 : 884,080.20 = 471,288.80 : x
  2. Step 2: Convert to fraction form
    589,386.80/884,080.20 = 471,288.80/x
  3. Step 3: Cross multiply
    589,386.80x = 884,080.20 × 471,288.80
  4. Step 4: Simplify right side
    589,386.80x = 416,657,096,561.76
  5. Step 5: Solve for x
    x = 416,657,096,561.76/589,386.80
  6. Step 6: Final answer
    x = 706,933.20

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Double scale
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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.