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Finding the Fourth Proportional to 563,218, 844,828.08 and 136,752.02

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Solution

The fourth proportional to 563,218, 844,828.08 and 136,752.02 is: 205,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,218 : 844,828.08 = 136,752.02 : x
  2. Step 2: Convert to fraction form
    563,218/844,828.08 = 136,752.02/x
  3. Step 3: Cross multiply
    563,218x = 844,828.08 × 136,752.02
  4. Step 4: Simplify right side
    563,218x = 115,531,946,492.72
  5. Step 5: Solve for x
    x = 115,531,946,492.72/563,218
  6. Step 6: Final answer
    x = 205,128.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.