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Finding the Fourth Proportional to 344,947.60, 517,445.70 and 195,259.60

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Solution

The fourth proportional to 344,947.60, 517,445.70 and 195,259.60 is: 292,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,947.60 : 517,445.70 = 195,259.60 : x
  2. Step 2: Convert to fraction form
    344,947.60/517,445.70 = 195,259.60/x
  3. Step 3: Cross multiply
    344,947.60x = 517,445.70 × 195,259.60
  4. Step 4: Simplify right side
    344,947.60x = 101,036,240,403.72
  5. Step 5: Solve for x
    x = 101,036,240,403.72/344,947.60
  6. Step 6: Final answer
    x = 292,903.16

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1.5x scale

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.