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Finding the Fourth Proportional to 546,422.40, 818,758.80 and 346,384.80

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Solution

The fourth proportional to 546,422.40, 818,758.80 and 346,384.80 is: 519,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,422.40 : 818,758.80 = 346,384.80 : x
  2. Step 2: Convert to fraction form
    546,422.40/818,758.80 = 346,384.80/x
  3. Step 3: Cross multiply
    546,422.40x = 818,758.80 × 346,384.80
  4. Step 4: Simplify right side
    546,422.40x = 283,605,603,186.24
  5. Step 5: Solve for x
    x = 283,605,603,186.24/546,422.40
  6. Step 6: Final answer
    x = 519,022.65

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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.