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Finding the Fourth Proportional to 621,751.69, 858,048.84 and 367,097.41

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Solution

The fourth proportional to 621,751.69, 858,048.84 and 367,097.41 is: 506,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,751.69 : 858,048.84 = 367,097.41 : x
  2. Step 2: Convert to fraction form
    621,751.69/858,048.84 = 367,097.41/x
  3. Step 3: Cross multiply
    621,751.69x = 858,048.84 × 367,097.41
  4. Step 4: Simplify right side
    621,751.69x = 314,987,506,817.50
  5. Step 5: Solve for x
    x = 314,987,506,817.50/621,751.69
  6. Step 6: Final answer
    x = 506,613.03

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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.