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Finding the Fourth Proportional to 261,775.56, 361,432.62 and 175,865.34

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Solution

The fourth proportional to 261,775.56, 361,432.62 and 175,865.34 is: 242,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,775.56 : 361,432.62 = 175,865.34 : x
  2. Step 2: Convert to fraction form
    261,775.56/361,432.62 = 175,865.34/x
  3. Step 3: Cross multiply
    261,775.56x = 361,432.62 × 175,865.34
  4. Step 4: Simplify right side
    261,775.56x = 63,563,470,603.39
  5. Step 5: Solve for x
    x = 63,563,470,603.39/261,775.56
  6. Step 6: Final answer
    x = 242,816.67

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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.