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Finding the Fourth Proportional to 346,586.20, 519,101.70 and 338,810.20

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Solution

The fourth proportional to 346,586.20, 519,101.70 and 338,810.20 is: 507,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,586.20 : 519,101.70 = 338,810.20 : x
  2. Step 2: Convert to fraction form
    346,586.20/519,101.70 = 338,810.20/x
  3. Step 3: Cross multiply
    346,586.20x = 519,101.70 × 338,810.20
  4. Step 4: Simplify right side
    346,586.20x = 175,876,950,797.34
  5. Step 5: Solve for x
    x = 175,876,950,797.34/346,586.20
  6. Step 6: Final answer
    x = 507,455.15

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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.