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Finding the Fourth Proportional to 883,574.80, 1,326,053.40 and 410,318.80

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Solution

The fourth proportional to 883,574.80, 1,326,053.40 and 410,318.80 is: 615,799.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,574.80 : 1,326,053.40 = 410,318.80 : x
  2. Step 2: Convert to fraction form
    883,574.80/1,326,053.40 = 410,318.80/x
  3. Step 3: Cross multiply
    883,574.80x = 1,326,053.40 × 410,318.80
  4. Step 4: Simplify right side
    883,574.80x = 544,104,639,823.92
  5. Step 5: Solve for x
    x = 544,104,639,823.92/883,574.80
  6. Step 6: Final answer
    x = 615,799.18

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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.