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Finding the Fourth Proportional to 432,416.88, 648,920.58 and 151,934.16

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Solution

The fourth proportional to 432,416.88, 648,920.58 and 151,934.16 is: 228,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,416.88 : 648,920.58 = 151,934.16 : x
  2. Step 2: Convert to fraction form
    432,416.88/648,920.58 = 151,934.16/x
  3. Step 3: Cross multiply
    432,416.88x = 648,920.58 × 151,934.16
  4. Step 4: Simplify right side
    432,416.88x = 98,593,203,229.01
  5. Step 5: Solve for x
    x = 98,593,203,229.01/432,416.88
  6. Step 6: Final answer
    x = 228,004.98

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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.