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Finding the Fourth Proportional to 254,915.80, 382,373.70 and 166,342.30

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Solution

The fourth proportional to 254,915.80, 382,373.70 and 166,342.30 is: 249,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,915.80 : 382,373.70 = 166,342.30 : x
  2. Step 2: Convert to fraction form
    254,915.80/382,373.70 = 166,342.30/x
  3. Step 3: Cross multiply
    254,915.80x = 382,373.70 × 166,342.30
  4. Step 4: Simplify right side
    254,915.80x = 63,604,920,717.51
  5. Step 5: Solve for x
    x = 63,604,920,717.51/254,915.80
  6. Step 6: Final answer
    x = 249,513.45

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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.