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Finding the Fourth Proportional to 344,584.72, 516,877.08 and 157,465

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Solution

The fourth proportional to 344,584.72, 516,877.08 and 157,465 is: 236,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,584.72 : 516,877.08 = 157,465 : x
  2. Step 2: Convert to fraction form
    344,584.72/516,877.08 = 157,465/x
  3. Step 3: Cross multiply
    344,584.72x = 516,877.08 × 157,465
  4. Step 4: Simplify right side
    344,584.72x = 81,390,049,402.20
  5. Step 5: Solve for x
    x = 81,390,049,402.20/344,584.72
  6. Step 6: Final answer
    x = 236,197.50

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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.