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Finding the Fourth Proportional to 314,483.79, 433,992.82 and 171,246.63

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Solution

The fourth proportional to 314,483.79, 433,992.82 and 171,246.63 is: 236,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,483.79 : 433,992.82 = 171,246.63 : x
  2. Step 2: Convert to fraction form
    314,483.79/433,992.82 = 171,246.63/x
  3. Step 3: Cross multiply
    314,483.79x = 433,992.82 × 171,246.63
  4. Step 4: Simplify right side
    314,483.79x = 74,319,807,869.20
  5. Step 5: Solve for x
    x = 74,319,807,869.20/314,483.79
  6. Step 6: Final answer
    x = 236,323.18

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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.