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Finding the Fourth Proportional to 791,700, 1,092,615.12 and 434,073.12

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Solution

The fourth proportional to 791,700, 1,092,615.12 and 434,073.12 is: 599,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,700 : 1,092,615.12 = 434,073.12 : x
  2. Step 2: Convert to fraction form
    791,700/1,092,615.12 = 434,073.12/x
  3. Step 3: Cross multiply
    791,700x = 1,092,615.12 × 434,073.12
  4. Step 4: Simplify right side
    791,700x = 474,274,854,097.57
  5. Step 5: Solve for x
    x = 474,274,854,097.57/791,700
  6. Step 6: Final answer
    x = 599,058.80

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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.