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Finding the Fourth Proportional to 357,082.38, 535,341.74 and 177,043.67

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Solution

The fourth proportional to 357,082.38, 535,341.74 and 177,043.67 is: 265,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,082.38 : 535,341.74 = 177,043.67 : x
  2. Step 2: Convert to fraction form
    357,082.38/535,341.74 = 177,043.67/x
  3. Step 3: Cross multiply
    357,082.38x = 535,341.74 × 177,043.67
  4. Step 4: Simplify right side
    357,082.38x = 94,778,867,249.53
  5. Step 5: Solve for x
    x = 94,778,867,249.53/357,082.38
  6. Step 6: Final answer
    x = 265,425.77

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1.5x scale

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.