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Finding the Fourth Proportional to 458,852.58, 688,278.88 and 178,435.44

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Solution

The fourth proportional to 458,852.58, 688,278.88 and 178,435.44 is: 267,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,852.58 : 688,278.88 = 178,435.44 : x
  2. Step 2: Convert to fraction form
    458,852.58/688,278.88 = 178,435.44/x
  3. Step 3: Cross multiply
    458,852.58x = 688,278.88 × 178,435.44
  4. Step 4: Simplify right side
    458,852.58x = 122,813,344,795.51
  5. Step 5: Solve for x
    x = 122,813,344,795.51/458,852.58
  6. Step 6: Final answer
    x = 267,653.16

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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.