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Finding the Fourth Proportional to 346,059.80, 518,530.80 and 195,853.40

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Solution

The fourth proportional to 346,059.80, 518,530.80 and 195,853.40 is: 293,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,059.80 : 518,530.80 = 195,853.40 : x
  2. Step 2: Convert to fraction form
    346,059.80/518,530.80 = 195,853.40/x
  3. Step 3: Cross multiply
    346,059.80x = 518,530.80 × 195,853.40
  4. Step 4: Simplify right side
    346,059.80x = 101,556,020,184.72
  5. Step 5: Solve for x
    x = 101,556,020,184.72/346,059.80
  6. Step 6: Final answer
    x = 293,463.79

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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.