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Finding the Fourth Proportional to 468,190.12, 646,100.58 and 253,330.60

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Solution

The fourth proportional to 468,190.12, 646,100.58 and 253,330.60 is: 349,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,190.12 : 646,100.58 = 253,330.60 : x
  2. Step 2: Convert to fraction form
    468,190.12/646,100.58 = 253,330.60/x
  3. Step 3: Cross multiply
    468,190.12x = 646,100.58 × 253,330.60
  4. Step 4: Simplify right side
    468,190.12x = 163,677,047,591.75
  5. Step 5: Solve for x
    x = 163,677,047,591.75/468,190.12
  6. Step 6: Final answer
    x = 349,595.26

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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.