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Finding the Fourth Proportional to 346,901.20, 519,574.20 and 284,693.20

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Solution

The fourth proportional to 346,901.20, 519,574.20 and 284,693.20 is: 426,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,901.20 : 519,574.20 = 284,693.20 : x
  2. Step 2: Convert to fraction form
    346,901.20/519,574.20 = 284,693.20/x
  3. Step 3: Cross multiply
    346,901.20x = 519,574.20 × 284,693.20
  4. Step 4: Simplify right side
    346,901.20x = 147,919,241,635.44
  5. Step 5: Solve for x
    x = 147,919,241,635.44/346,901.20
  6. Step 6: Final answer
    x = 426,401.64

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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.