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Finding the Fourth Proportional to 359,588.74, 536,435.84 and 349,814.90

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Solution

The fourth proportional to 359,588.74, 536,435.84 and 349,814.90 is: 521,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,588.74 : 536,435.84 = 349,814.90 : x
  2. Step 2: Convert to fraction form
    359,588.74/536,435.84 = 349,814.90/x
  3. Step 3: Cross multiply
    359,588.74x = 536,435.84 × 349,814.90
  4. Step 4: Simplify right side
    359,588.74x = 187,653,249,726.02
  5. Step 5: Solve for x
    x = 187,653,249,726.02/359,588.74
  6. Step 6: Final answer
    x = 521,855.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.