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Finding the Fourth Proportional to 573,173.48, 790,916.60 and 331,419.47

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Solution

The fourth proportional to 573,173.48, 790,916.60 and 331,419.47 is: 457,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,173.48 : 790,916.60 = 331,419.47 : x
  2. Step 2: Convert to fraction form
    573,173.48/790,916.60 = 331,419.47/x
  3. Step 3: Cross multiply
    573,173.48x = 790,916.60 × 331,419.47
  4. Step 4: Simplify right side
    573,173.48x = 262,125,157,260.17
  5. Step 5: Solve for x
    x = 262,125,157,260.17/573,173.48
  6. Step 6: Final answer
    x = 457,322.55

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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.