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Finding the Fourth Proportional to 377,857.69, 567,020.11 and 153,220.07

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Solution

The fourth proportional to 377,857.69, 567,020.11 and 153,220.07 is: 229,924.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,857.69 : 567,020.11 = 153,220.07 : x
  2. Step 2: Convert to fraction form
    377,857.69/567,020.11 = 153,220.07/x
  3. Step 3: Cross multiply
    377,857.69x = 567,020.11 × 153,220.07
  4. Step 4: Simplify right side
    377,857.69x = 86,878,862,482.86
  5. Step 5: Solve for x
    x = 86,878,862,482.86/377,857.69
  6. Step 6: Final answer
    x = 229,924.82

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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.