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Finding the Fourth Proportional to 377,597.84, 521,088.54 and 207,835.88

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Solution

The fourth proportional to 377,597.84, 521,088.54 and 207,835.88 is: 286,815.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,597.84 : 521,088.54 = 207,835.88 : x
  2. Step 2: Convert to fraction form
    377,597.84/521,088.54 = 207,835.88/x
  3. Step 3: Cross multiply
    377,597.84x = 521,088.54 × 207,835.88
  4. Step 4: Simplify right side
    377,597.84x = 108,300,895,268.82
  5. Step 5: Solve for x
    x = 108,300,895,268.82/377,597.84
  6. Step 6: Final answer
    x = 286,815.45

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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.