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Finding the Fourth Proportional to 562,565.70, 776,339.37 and 307,914.66

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Solution

The fourth proportional to 562,565.70, 776,339.37 and 307,914.66 is: 424,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,565.70 : 776,339.37 = 307,914.66 : x
  2. Step 2: Convert to fraction form
    562,565.70/776,339.37 = 307,914.66/x
  3. Step 3: Cross multiply
    562,565.70x = 776,339.37 × 307,914.66
  4. Step 4: Simplify right side
    562,565.70x = 239,046,273,158.16
  5. Step 5: Solve for x
    x = 239,046,273,158.16/562,565.70
  6. Step 6: Final answer
    x = 424,921.52

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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.