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Finding the Fourth Proportional to 340,532.32, 510,798.16 and 91,207.52

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Solution

The fourth proportional to 340,532.32, 510,798.16 and 91,207.52 is: 136,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,532.32 : 510,798.16 = 91,207.52 : x
  2. Step 2: Convert to fraction form
    340,532.32/510,798.16 = 91,207.52/x
  3. Step 3: Cross multiply
    340,532.32x = 510,798.16 × 91,207.52
  4. Step 4: Simplify right side
    340,532.32x = 46,588,633,394.16
  5. Step 5: Solve for x
    x = 46,588,633,394.16/340,532.32
  6. Step 6: Final answer
    x = 136,811.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.