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Finding the Fourth Proportional to 359,392.84, 496,121.54 and 232,130.50

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Solution

The fourth proportional to 359,392.84, 496,121.54 and 232,130.50 is: 320,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,392.84 : 496,121.54 = 232,130.50 : x
  2. Step 2: Convert to fraction form
    359,392.84/496,121.54 = 232,130.50/x
  3. Step 3: Cross multiply
    359,392.84x = 496,121.54 × 232,130.50
  4. Step 4: Simplify right side
    359,392.84x = 115,164,938,740.01
  5. Step 5: Solve for x
    x = 115,164,938,740.01/359,392.84
  6. Step 6: Final answer
    x = 320,443.05

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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.