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Finding the Fourth Proportional to 344,269.70, 516,404.55 and 243,886.40

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Solution

The fourth proportional to 344,269.70, 516,404.55 and 243,886.40 is: 365,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,269.70 : 516,404.55 = 243,886.40 : x
  2. Step 2: Convert to fraction form
    344,269.70/516,404.55 = 243,886.40/x
  3. Step 3: Cross multiply
    344,269.70x = 516,404.55 × 243,886.40
  4. Step 4: Simplify right side
    344,269.70x = 125,944,046,643.12
  5. Step 5: Solve for x
    x = 125,944,046,643.12/344,269.70
  6. Step 6: Final answer
    x = 365,829.60

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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.