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Finding the Fourth Proportional to 359,379.98, 538,912.08 and 134,582.74

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Solution

The fourth proportional to 359,379.98, 538,912.08 and 134,582.74 is: 201,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,379.98 : 538,912.08 = 134,582.74 : x
  2. Step 2: Convert to fraction form
    359,379.98/538,912.08 = 134,582.74/x
  3. Step 3: Cross multiply
    359,379.98x = 538,912.08 × 134,582.74
  4. Step 4: Simplify right side
    359,379.98x = 72,528,264,345.50
  5. Step 5: Solve for x
    x = 72,528,264,345.50/359,379.98
  6. Step 6: Final answer
    x = 201,814.98

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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.