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Finding the Fourth Proportional to 606,646.10, 909,969.15 and 163,414.10

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Solution

The fourth proportional to 606,646.10, 909,969.15 and 163,414.10 is: 245,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,646.10 : 909,969.15 = 163,414.10 : x
  2. Step 2: Convert to fraction form
    606,646.10/909,969.15 = 163,414.10/x
  3. Step 3: Cross multiply
    606,646.10x = 909,969.15 × 163,414.10
  4. Step 4: Simplify right side
    606,646.10x = 148,701,789,675.02
  5. Step 5: Solve for x
    x = 148,701,789,675.02/606,646.10
  6. Step 6: Final answer
    x = 245,121.15

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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.