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Finding the Fourth Proportional to 346,039.80, 519,059.70 and 339,041.40

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Solution

The fourth proportional to 346,039.80, 519,059.70 and 339,041.40 is: 508,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,039.80 : 519,059.70 = 339,041.40 : x
  2. Step 2: Convert to fraction form
    346,039.80/519,059.70 = 339,041.40/x
  3. Step 3: Cross multiply
    346,039.80x = 519,059.70 × 339,041.40
  4. Step 4: Simplify right side
    346,039.80x = 175,982,727,371.58
  5. Step 5: Solve for x
    x = 175,982,727,371.58/346,039.80
  6. Step 6: Final answer
    x = 508,562.10

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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.