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Finding the Fourth Proportional to 359,587.74, 536,434.35 and 349,813.90

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Solution

The fourth proportional to 359,587.74, 536,434.35 and 349,813.90 is: 521,853.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,587.74 : 536,434.35 = 349,813.90 : x
  2. Step 2: Convert to fraction form
    359,587.74/536,434.35 = 349,813.90/x
  3. Step 3: Cross multiply
    359,587.74x = 536,434.35 × 349,813.90
  4. Step 4: Simplify right side
    359,587.74x = 187,652,190,318.40
  5. Step 5: Solve for x
    x = 187,652,190,318.40/359,587.74
  6. Step 6: Final answer
    x = 521,853.69

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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.