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Finding the Fourth Proportional to 822,407.51, 1,134,574.82 and 550,562.97

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Solution

The fourth proportional to 822,407.51, 1,134,574.82 and 550,562.97 is: 759,544.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,407.51 : 1,134,574.82 = 550,562.97 : x
  2. Step 2: Convert to fraction form
    822,407.51/1,134,574.82 = 550,562.97/x
  3. Step 3: Cross multiply
    822,407.51x = 1,134,574.82 × 550,562.97
  4. Step 4: Simplify right side
    822,407.51x = 624,654,879,833.60
  5. Step 5: Solve for x
    x = 624,654,879,833.60/822,407.51
  6. Step 6: Final answer
    x = 759,544.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.