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Finding the Fourth Proportional to 359,495.48, 496,283.54 and 223,573.22

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Solution

The fourth proportional to 359,495.48, 496,283.54 and 223,573.22 is: 308,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,495.48 : 496,283.54 = 223,573.22 : x
  2. Step 2: Convert to fraction form
    359,495.48/496,283.54 = 223,573.22/x
  3. Step 3: Cross multiply
    359,495.48x = 496,283.54 × 223,573.22
  4. Step 4: Simplify right side
    359,495.48x = 110,955,709,070.80
  5. Step 5: Solve for x
    x = 110,955,709,070.80/359,495.48
  6. Step 6: Final answer
    x = 308,642.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.