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Finding the Fourth Proportional to 562,626, 776,394.06 and 307,927.92

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Solution

The fourth proportional to 562,626, 776,394.06 and 307,927.92 is: 424,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,626 : 776,394.06 = 307,927.92 : x
  2. Step 2: Convert to fraction form
    562,626/776,394.06 = 307,927.92/x
  3. Step 3: Cross multiply
    562,626x = 776,394.06 × 307,927.92
  4. Step 4: Simplify right side
    562,626x = 239,073,407,996.16
  5. Step 5: Solve for x
    x = 239,073,407,996.16/562,626
  6. Step 6: Final answer
    x = 424,924.21

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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.