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Finding the Fourth Proportional to 382,312.80, 572,680.80 and 224,061.60

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Solution

The fourth proportional to 382,312.80, 572,680.80 and 224,061.60 is: 335,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,312.80 : 572,680.80 = 224,061.60 : x
  2. Step 2: Convert to fraction form
    382,312.80/572,680.80 = 224,061.60/x
  3. Step 3: Cross multiply
    382,312.80x = 572,680.80 × 224,061.60
  4. Step 4: Simplify right side
    382,312.80x = 128,315,776,337.28
  5. Step 5: Solve for x
    x = 128,315,776,337.28/382,312.80
  6. Step 6: Final answer
    x = 335,630.34

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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.