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Finding the Fourth Proportional to 562,245.79, 775,899.27 and 304,122.62

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Solution

The fourth proportional to 562,245.79, 775,899.27 and 304,122.62 is: 419,689.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,245.79 : 775,899.27 = 304,122.62 : x
  2. Step 2: Convert to fraction form
    562,245.79/775,899.27 = 304,122.62/x
  3. Step 3: Cross multiply
    562,245.79x = 775,899.27 × 304,122.62
  4. Step 4: Simplify right side
    562,245.79x = 235,968,516,423.80
  5. Step 5: Solve for x
    x = 235,968,516,423.80/562,245.79
  6. Step 6: Final answer
    x = 419,689.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.