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Finding the Fourth Proportional to 314,366.39, 433,825.67 and 171,127.51

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Solution

The fourth proportional to 314,366.39, 433,825.67 and 171,127.51 is: 236,155.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,366.39 : 433,825.67 = 171,127.51 : x
  2. Step 2: Convert to fraction form
    314,366.39/433,825.67 = 171,127.51/x
  3. Step 3: Cross multiply
    314,366.39x = 433,825.67 × 171,127.51
  4. Step 4: Simplify right side
    314,366.39x = 74,239,506,024.44
  5. Step 5: Solve for x
    x = 74,239,506,024.44/314,366.39
  6. Step 6: Final answer
    x = 236,155.99

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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.