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Finding the Fourth Proportional to 314,773.01, 434,386.07 and 171,532.71

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Solution

The fourth proportional to 314,773.01, 434,386.07 and 171,532.71 is: 236,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,773.01 : 434,386.07 = 171,532.71 : x
  2. Step 2: Convert to fraction form
    314,773.01/434,386.07 = 171,532.71/x
  3. Step 3: Cross multiply
    314,773.01x = 434,386.07 × 171,532.71
  4. Step 4: Simplify right side
    314,773.01x = 74,511,418,915.69
  5. Step 5: Solve for x
    x = 74,511,418,915.69/314,773.01
  6. Step 6: Final answer
    x = 236,714.77

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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.