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Finding the Fourth Proportional to 267,225.42, 368,679.54 and 152,421.57

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Solution

The fourth proportional to 267,225.42, 368,679.54 and 152,421.57 is: 210,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,225.42 : 368,679.54 = 152,421.57 : x
  2. Step 2: Convert to fraction form
    267,225.42/368,679.54 = 152,421.57/x
  3. Step 3: Cross multiply
    267,225.42x = 368,679.54 × 152,421.57
  4. Step 4: Simplify right side
    267,225.42x = 56,194,714,313.68
  5. Step 5: Solve for x
    x = 56,194,714,313.68/267,225.42
  6. Step 6: Final answer
    x = 210,289.55

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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.