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Finding the Fourth Proportional to 473,014.60, 709,608.30 and 192,560.20

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Solution

The fourth proportional to 473,014.60, 709,608.30 and 192,560.20 is: 288,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,014.60 : 709,608.30 = 192,560.20 : x
  2. Step 2: Convert to fraction form
    473,014.60/709,608.30 = 192,560.20/x
  3. Step 3: Cross multiply
    473,014.60x = 709,608.30 × 192,560.20
  4. Step 4: Simplify right side
    473,014.60x = 136,642,316,169.66
  5. Step 5: Solve for x
    x = 136,642,316,169.66/473,014.60
  6. Step 6: Final answer
    x = 288,875.47

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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.