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Finding the Fourth Proportional to 563,381.60, 845,127.60 and 164,026.40

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Solution

The fourth proportional to 563,381.60, 845,127.60 and 164,026.40 is: 246,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,381.60 : 845,127.60 = 164,026.40 : x
  2. Step 2: Convert to fraction form
    563,381.60/845,127.60 = 164,026.40/x
  3. Step 3: Cross multiply
    563,381.60x = 845,127.60 × 164,026.40
  4. Step 4: Simplify right side
    563,381.60x = 138,623,237,768.64
  5. Step 5: Solve for x
    x = 138,623,237,768.64/563,381.60
  6. Step 6: Final answer
    x = 246,055.67

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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.