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Finding the Fourth Proportional to 346,206.75, 519,310.13 and 96,888.75

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Solution

The fourth proportional to 346,206.75, 519,310.13 and 96,888.75 is: 145,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,206.75 : 519,310.13 = 96,888.75 : x
  2. Step 2: Convert to fraction form
    346,206.75/519,310.13 = 96,888.75/x
  3. Step 3: Cross multiply
    346,206.75x = 519,310.13 × 96,888.75
  4. Step 4: Simplify right side
    346,206.75x = 50,315,308,873.59
  5. Step 5: Solve for x
    x = 50,315,308,873.59/346,206.75
  6. Step 6: Final answer
    x = 145,333.13

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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.