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Finding the Fourth Proportional to 569,173.80, 852,839.10 and 358,434.60

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Solution

The fourth proportional to 569,173.80, 852,839.10 and 358,434.60 is: 537,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,173.80 : 852,839.10 = 358,434.60 : x
  2. Step 2: Convert to fraction form
    569,173.80/852,839.10 = 358,434.60/x
  3. Step 3: Cross multiply
    569,173.80x = 852,839.10 × 358,434.60
  4. Step 4: Simplify right side
    569,173.80x = 305,687,041,672.86
  5. Step 5: Solve for x
    x = 305,687,041,672.86/569,173.80
  6. Step 6: Final answer
    x = 537,071.53

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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.