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Finding the Fourth Proportional to 262,768.32, 362,666.16 and 155,329.92

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Solution

The fourth proportional to 262,768.32, 362,666.16 and 155,329.92 is: 214,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,768.32 : 362,666.16 = 155,329.92 : x
  2. Step 2: Convert to fraction form
    262,768.32/362,666.16 = 155,329.92/x
  3. Step 3: Cross multiply
    262,768.32x = 362,666.16 × 155,329.92
  4. Step 4: Simplify right side
    262,768.32x = 56,332,905,619.51
  5. Step 5: Solve for x
    x = 56,332,905,619.51/262,768.32
  6. Step 6: Final answer
    x = 214,382.41

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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.