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Finding the Fourth Proportional to 265,569.70, 366,952.40 and 212,294.38

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Solution

The fourth proportional to 265,569.70, 366,952.40 and 212,294.38 is: 293,338.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,569.70 : 366,952.40 = 212,294.38 : x
  2. Step 2: Convert to fraction form
    265,569.70/366,952.40 = 212,294.38/x
  3. Step 3: Cross multiply
    265,569.70x = 366,952.40 × 212,294.38
  4. Step 4: Simplify right side
    265,569.70x = 77,901,932,247.51
  5. Step 5: Solve for x
    x = 77,901,932,247.51/265,569.70
  6. Step 6: Final answer
    x = 293,338.93

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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.