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Finding the Fourth Proportional to 585,191.59, 807,630.07 and 330,559.18

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Solution

The fourth proportional to 585,191.59, 807,630.07 and 330,559.18 is: 456,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,191.59 : 807,630.07 = 330,559.18 : x
  2. Step 2: Convert to fraction form
    585,191.59/807,630.07 = 330,559.18/x
  3. Step 3: Cross multiply
    585,191.59x = 807,630.07 × 330,559.18
  4. Step 4: Simplify right side
    585,191.59x = 266,969,533,682.54
  5. Step 5: Solve for x
    x = 266,969,533,682.54/585,191.59
  6. Step 6: Final answer
    x = 456,208.77

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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.