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Finding the Fourth Proportional to 377,482.88, 520,926.19 and 207,717.01

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Solution

The fourth proportional to 377,482.88, 520,926.19 and 207,717.01 is: 286,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,482.88 : 520,926.19 = 207,717.01 : x
  2. Step 2: Convert to fraction form
    377,482.88/520,926.19 = 207,717.01/x
  3. Step 3: Cross multiply
    377,482.88x = 520,926.19 × 207,717.01
  4. Step 4: Simplify right side
    377,482.88x = 108,205,228,795.88
  5. Step 5: Solve for x
    x = 108,205,228,795.88/377,482.88
  6. Step 6: Final answer
    x = 286,649.37

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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.