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Finding the Fourth Proportional to 452,802.51, 624,826.80 and 248,851.20

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Solution

The fourth proportional to 452,802.51, 624,826.80 and 248,851.20 is: 343,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,802.51 : 624,826.80 = 248,851.20 : x
  2. Step 2: Convert to fraction form
    452,802.51/624,826.80 = 248,851.20/x
  3. Step 3: Cross multiply
    452,802.51x = 624,826.80 × 248,851.20
  4. Step 4: Simplify right side
    452,802.51x = 155,488,898,972.16
  5. Step 5: Solve for x
    x = 155,488,898,972.16/452,802.51
  6. Step 6: Final answer
    x = 343,392.31

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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.