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Finding the Fourth Proportional to 562,565.08, 776,340.75 and 307,932.40

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Solution

The fourth proportional to 562,565.08, 776,340.75 and 307,932.40 is: 424,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,565.08 : 776,340.75 = 307,932.40 : x
  2. Step 2: Convert to fraction form
    562,565.08/776,340.75 = 307,932.40/x
  3. Step 3: Cross multiply
    562,565.08x = 776,340.75 × 307,932.40
  4. Step 4: Simplify right side
    562,565.08x = 239,060,470,365.30
  5. Step 5: Solve for x
    x = 239,060,470,365.30/562,565.08
  6. Step 6: Final answer
    x = 424,947.23

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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.