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Finding the Fourth Proportional to 684,247.50, 944,261.35 and 374,150.88

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Solution

The fourth proportional to 684,247.50, 944,261.35 and 374,150.88 is: 516,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,247.50 : 944,261.35 = 374,150.88 : x
  2. Step 2: Convert to fraction form
    684,247.50/944,261.35 = 374,150.88/x
  3. Step 3: Cross multiply
    684,247.50x = 944,261.35 × 374,150.88
  4. Step 4: Simplify right side
    684,247.50x = 353,296,214,117.11
  5. Step 5: Solve for x
    x = 353,296,214,117.11/684,247.50
  6. Step 6: Final answer
    x = 516,328.10

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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.