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Finding the Fourth Proportional to 561,531.60, 842,297.40 and 461,804.40

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Solution

The fourth proportional to 561,531.60, 842,297.40 and 461,804.40 is: 692,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,531.60 : 842,297.40 = 461,804.40 : x
  2. Step 2: Convert to fraction form
    561,531.60/842,297.40 = 461,804.40/x
  3. Step 3: Cross multiply
    561,531.60x = 842,297.40 × 461,804.40
  4. Step 4: Simplify right side
    561,531.60x = 388,976,645,428.56
  5. Step 5: Solve for x
    x = 388,976,645,428.56/561,531.60
  6. Step 6: Final answer
    x = 692,706.60

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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.