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Finding the Fourth Proportional to 359,538.04, 496,073.94 and 219,801.40

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Solution

The fourth proportional to 359,538.04, 496,073.94 and 219,801.40 is: 303,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,538.04 : 496,073.94 = 219,801.40 : x
  2. Step 2: Convert to fraction form
    359,538.04/496,073.94 = 219,801.40/x
  3. Step 3: Cross multiply
    359,538.04x = 496,073.94 × 219,801.40
  4. Step 4: Simplify right side
    359,538.04x = 109,037,746,515.52
  5. Step 5: Solve for x
    x = 109,037,746,515.52/359,538.04
  6. Step 6: Final answer
    x = 303,271.79

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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.