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Finding the Fourth Proportional to 314,301.72, 433,735.08 and 171,061.74

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Solution

The fourth proportional to 314,301.72, 433,735.08 and 171,061.74 is: 236,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,301.72 : 433,735.08 = 171,061.74 : x
  2. Step 2: Convert to fraction form
    314,301.72/433,735.08 = 171,061.74/x
  3. Step 3: Cross multiply
    314,301.72x = 433,735.08 × 171,061.74
  4. Step 4: Simplify right side
    314,301.72x = 74,195,477,483.84
  5. Step 5: Solve for x
    x = 74,195,477,483.84/314,301.72
  6. Step 6: Final answer
    x = 236,064.50

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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.