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Finding the Fourth Proportional to 265,538.34, 366,275.52 and 158,028.12

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Solution

The fourth proportional to 265,538.34, 366,275.52 and 158,028.12 is: 217,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,538.34 : 366,275.52 = 158,028.12 : x
  2. Step 2: Convert to fraction form
    265,538.34/366,275.52 = 158,028.12/x
  3. Step 3: Cross multiply
    265,538.34x = 366,275.52 × 158,028.12
  4. Step 4: Simplify right side
    265,538.34x = 57,881,831,827.62
  5. Step 5: Solve for x
    x = 57,881,831,827.62/265,538.34
  6. Step 6: Final answer
    x = 217,979.19

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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.