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Finding the Fourth Proportional to 291,575.76, 402,372.75 and 164,292.36

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Solution

The fourth proportional to 291,575.76, 402,372.75 and 164,292.36 is: 226,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,575.76 : 402,372.75 = 164,292.36 : x
  2. Step 2: Convert to fraction form
    291,575.76/402,372.75 = 164,292.36/x
  3. Step 3: Cross multiply
    291,575.76x = 402,372.75 × 164,292.36
  4. Step 4: Simplify right side
    291,575.76x = 66,106,768,697.19
  5. Step 5: Solve for x
    x = 66,106,768,697.19/291,575.76
  6. Step 6: Final answer
    x = 226,722.44

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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.