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Finding the Fourth Proportional to 668,048.04, 921,964.32 and 366,300.36

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Solution

The fourth proportional to 668,048.04, 921,964.32 and 366,300.36 is: 505,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,048.04 : 921,964.32 = 366,300.36 : x
  2. Step 2: Convert to fraction form
    668,048.04/921,964.32 = 366,300.36/x
  3. Step 3: Cross multiply
    668,048.04x = 921,964.32 × 366,300.36
  4. Step 4: Simplify right side
    668,048.04x = 337,715,862,323.16
  5. Step 5: Solve for x
    x = 337,715,862,323.16/668,048.04
  6. Step 6: Final answer
    x = 505,526.31

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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.