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Finding the Fourth Proportional to 359,127.58, 537,360.73 and 287,833.98

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Solution

The fourth proportional to 359,127.58, 537,360.73 and 287,833.98 is: 430,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,127.58 : 537,360.73 = 287,833.98 : x
  2. Step 2: Convert to fraction form
    359,127.58/537,360.73 = 287,833.98/x
  3. Step 3: Cross multiply
    359,127.58x = 537,360.73 × 287,833.98
  4. Step 4: Simplify right side
    359,127.58x = 154,670,677,611.61
  5. Step 5: Solve for x
    x = 154,670,677,611.61/359,127.58
  6. Step 6: Final answer
    x = 430,684.49

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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.