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Finding the Fourth Proportional to 556,589.47, 768,095.40 and 301,942.48

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Solution

The fourth proportional to 556,589.47, 768,095.40 and 301,942.48 is: 416,681.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,589.47 : 768,095.40 = 301,942.48 : x
  2. Step 2: Convert to fraction form
    556,589.47/768,095.40 = 301,942.48/x
  3. Step 3: Cross multiply
    556,589.47x = 768,095.40 × 301,942.48
  4. Step 4: Simplify right side
    556,589.47x = 231,920,629,952.59
  5. Step 5: Solve for x
    x = 231,920,629,952.59/556,589.47
  6. Step 6: Final answer
    x = 416,681.67

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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.