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Finding the Fourth Proportional to 880,084.55, 1,318,451.04 and 501,266.76

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Solution

The fourth proportional to 880,084.55, 1,318,451.04 and 501,266.76 is: 750,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,084.55 : 1,318,451.04 = 501,266.76 : x
  2. Step 2: Convert to fraction form
    880,084.55/1,318,451.04 = 501,266.76/x
  3. Step 3: Cross multiply
    880,084.55x = 1,318,451.04 × 501,266.76
  4. Step 4: Simplify right side
    880,084.55x = 660,895,681,039.43
  5. Step 5: Solve for x
    x = 660,895,681,039.43/880,084.55
  6. Step 6: Final answer
    x = 750,945.67

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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.