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Finding the Fourth Proportional to 357,275.34, 535,990.50 and 104,576.67

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Solution

The fourth proportional to 357,275.34, 535,990.50 and 104,576.67 is: 156,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,275.34 : 535,990.50 = 104,576.67 : x
  2. Step 2: Convert to fraction form
    357,275.34/535,990.50 = 104,576.67/x
  3. Step 3: Cross multiply
    357,275.34x = 535,990.50 × 104,576.67
  4. Step 4: Simplify right side
    357,275.34x = 56,052,101,641.64
  5. Step 5: Solve for x
    x = 56,052,101,641.64/357,275.34
  6. Step 6: Final answer
    x = 156,887.69

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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.