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Finding the Fourth Proportional to 266,688.48, 368,069.04 and 176,028.96

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Solution

The fourth proportional to 266,688.48, 368,069.04 and 176,028.96 is: 242,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,688.48 : 368,069.04 = 176,028.96 : x
  2. Step 2: Convert to fraction form
    266,688.48/368,069.04 = 176,028.96/x
  3. Step 3: Cross multiply
    266,688.48x = 368,069.04 × 176,028.96
  4. Step 4: Simplify right side
    266,688.48x = 64,790,810,319.40
  5. Step 5: Solve for x
    x = 64,790,810,319.40/266,688.48
  6. Step 6: Final answer
    x = 242,945.67

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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.