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Finding the Fourth Proportional to 710,395.24, 980,364.70 and 424,081.56

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Solution

The fourth proportional to 710,395.24, 980,364.70 and 424,081.56 is: 585,244.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,395.24 : 980,364.70 = 424,081.56 : x
  2. Step 2: Convert to fraction form
    710,395.24/980,364.70 = 424,081.56/x
  3. Step 3: Cross multiply
    710,395.24x = 980,364.70 × 424,081.56
  4. Step 4: Simplify right side
    710,395.24x = 415,754,591,344.93
  5. Step 5: Solve for x
    x = 415,754,591,344.93/710,395.24
  6. Step 6: Final answer
    x = 585,244.06

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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.