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Finding the Fourth Proportional to 314,833.59, 434,479.46 and 171,602.91

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Solution

The fourth proportional to 314,833.59, 434,479.46 and 171,602.91 is: 236,816.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,833.59 : 434,479.46 = 171,602.91 : x
  2. Step 2: Convert to fraction form
    314,833.59/434,479.46 = 171,602.91/x
  3. Step 3: Cross multiply
    314,833.59x = 434,479.46 × 171,602.91
  4. Step 4: Simplify right side
    314,833.59x = 74,557,938,813.21
  5. Step 5: Solve for x
    x = 74,557,938,813.21/314,833.59
  6. Step 6: Final answer
    x = 236,816.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.