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Finding the Fourth Proportional to 472,168.50, 651,592.53 and 260,200.50

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Solution

The fourth proportional to 472,168.50, 651,592.53 and 260,200.50 is: 359,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,168.50 : 651,592.53 = 260,200.50 : x
  2. Step 2: Convert to fraction form
    472,168.50/651,592.53 = 260,200.50/x
  3. Step 3: Cross multiply
    472,168.50x = 651,592.53 × 260,200.50
  4. Step 4: Simplify right side
    472,168.50x = 169,544,702,102.27
  5. Step 5: Solve for x
    x = 169,544,702,102.27/472,168.50
  6. Step 6: Final answer
    x = 359,076.69

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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.