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Finding the Fourth Proportional to 562,357.17, 776,052.81 and 307,708.29

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Solution

The fourth proportional to 562,357.17, 776,052.81 and 307,708.29 is: 424,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,357.17 : 776,052.81 = 307,708.29 : x
  2. Step 2: Convert to fraction form
    562,357.17/776,052.81 = 307,708.29/x
  3. Step 3: Cross multiply
    562,357.17x = 776,052.81 × 307,708.29
  4. Step 4: Simplify right side
    562,357.17x = 238,797,883,114.80
  5. Step 5: Solve for x
    x = 238,797,883,114.80/562,357.17
  6. Step 6: Final answer
    x = 424,637.39

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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.