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Finding the Fourth Proportional to 541,373.22, 812,056.19 and 423,144

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Solution

The fourth proportional to 541,373.22, 812,056.19 and 423,144 is: 634,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,373.22 : 812,056.19 = 423,144 : x
  2. Step 2: Convert to fraction form
    541,373.22/812,056.19 = 423,144/x
  3. Step 3: Cross multiply
    541,373.22x = 812,056.19 × 423,144
  4. Step 4: Simplify right side
    541,373.22x = 343,616,702,345.64
  5. Step 5: Solve for x
    x = 343,616,702,345.64/541,373.22
  6. Step 6: Final answer
    x = 634,713.15

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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.