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Finding the Fourth Proportional to 983,502.80, 1,475,254.20 and 850,533.20

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Solution

The fourth proportional to 983,502.80, 1,475,254.20 and 850,533.20 is: 1,275,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,502.80 : 1,475,254.20 = 850,533.20 : x
  2. Step 2: Convert to fraction form
    983,502.80/1,475,254.20 = 850,533.20/x
  3. Step 3: Cross multiply
    983,502.80x = 1,475,254.20 × 850,533.20
  4. Step 4: Simplify right side
    983,502.80x = 1,254,752,675,539.44
  5. Step 5: Solve for x
    x = 1,254,752,675,539.44/983,502.80
  6. Step 6: Final answer
    x = 1,275,799.80

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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.