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Finding the Fourth Proportional to 835,357.80, 1,253,036.70 and 802,698.60

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Solution

The fourth proportional to 835,357.80, 1,253,036.70 and 802,698.60 is: 1,204,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,357.80 : 1,253,036.70 = 802,698.60 : x
  2. Step 2: Convert to fraction form
    835,357.80/1,253,036.70 = 802,698.60/x
  3. Step 3: Cross multiply
    835,357.80x = 1,253,036.70 × 802,698.60
  4. Step 4: Simplify right side
    835,357.80x = 1,005,810,804,838.62
  5. Step 5: Solve for x
    x = 1,005,810,804,838.62/835,357.80
  6. Step 6: Final answer
    x = 1,204,047.90

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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.