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Finding the Fourth Proportional to 359,365.26, 539,421.56 and 264,702.22

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Solution

The fourth proportional to 359,365.26, 539,421.56 and 264,702.22 is: 397,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,365.26 : 539,421.56 = 264,702.22 : x
  2. Step 2: Convert to fraction form
    359,365.26/539,421.56 = 264,702.22/x
  3. Step 3: Cross multiply
    359,365.26x = 539,421.56 × 264,702.22
  4. Step 4: Simplify right side
    359,365.26x = 142,786,084,447.86
  5. Step 5: Solve for x
    x = 142,786,084,447.86/359,365.26
  6. Step 6: Final answer
    x = 397,328.57

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1.5x scale

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.