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Finding the Fourth Proportional to 562,343.04, 776,032.92 and 307,695.28

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Solution

The fourth proportional to 562,343.04, 776,032.92 and 307,695.28 is: 424,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,343.04 : 776,032.92 = 307,695.28 : x
  2. Step 2: Convert to fraction form
    562,343.04/776,032.92 = 307,695.28/x
  3. Step 3: Cross multiply
    562,343.04x = 776,032.92 × 307,695.28
  4. Step 4: Simplify right side
    562,343.04x = 238,781,666,608.62
  5. Step 5: Solve for x
    x = 238,781,666,608.62/562,343.04
  6. Step 6: Final answer
    x = 424,619.23

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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.