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Finding the Fourth Proportional to 375,548.20, 564,704.70 and 314,722.60

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Solution

The fourth proportional to 375,548.20, 564,704.70 and 314,722.60 is: 473,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,548.20 : 564,704.70 = 314,722.60 : x
  2. Step 2: Convert to fraction form
    375,548.20/564,704.70 = 314,722.60/x
  3. Step 3: Cross multiply
    375,548.20x = 564,704.70 × 314,722.60
  4. Step 4: Simplify right side
    375,548.20x = 177,725,331,416.22
  5. Step 5: Solve for x
    x = 177,725,331,416.22/375,548.20
  6. Step 6: Final answer
    x = 473,242.40

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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.