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Finding the Fourth Proportional to 668,802.88, 922,945.44 and 367,001.92

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Solution

The fourth proportional to 668,802.88, 922,945.44 and 367,001.92 is: 506,461.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,802.88 : 922,945.44 = 367,001.92 : x
  2. Step 2: Convert to fraction form
    668,802.88/922,945.44 = 367,001.92/x
  3. Step 3: Cross multiply
    668,802.88x = 922,945.44 × 367,001.92
  4. Step 4: Simplify right side
    668,802.88x = 338,722,748,535.25
  5. Step 5: Solve for x
    x = 338,722,748,535.25/668,802.88
  6. Step 6: Final answer
    x = 506,461.26

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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.