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Finding the Fourth Proportional to 357,600.36, 536,341.56 and 117,717.40

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Solution

The fourth proportional to 357,600.36, 536,341.56 and 117,717.40 is: 176,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,600.36 : 536,341.56 = 117,717.40 : x
  2. Step 2: Convert to fraction form
    357,600.36/536,341.56 = 117,717.40/x
  3. Step 3: Cross multiply
    357,600.36x = 536,341.56 × 117,717.40
  4. Step 4: Simplify right side
    357,600.36x = 63,136,733,955.14
  5. Step 5: Solve for x
    x = 63,136,733,955.14/357,600.36
  6. Step 6: Final answer
    x = 176,556.68

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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.