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Finding the Fourth Proportional to 334,139.20, 501,208.80 and 165,594.40

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Solution

The fourth proportional to 334,139.20, 501,208.80 and 165,594.40 is: 248,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,139.20 : 501,208.80 = 165,594.40 : x
  2. Step 2: Convert to fraction form
    334,139.20/501,208.80 = 165,594.40/x
  3. Step 3: Cross multiply
    334,139.20x = 501,208.80 × 165,594.40
  4. Step 4: Simplify right side
    334,139.20x = 82,997,370,510.72
  5. Step 5: Solve for x
    x = 82,997,370,510.72/334,139.20
  6. Step 6: Final answer
    x = 248,391.60

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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.