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Finding the Fourth Proportional to 608,053.50, 912,072.96 and 571,060.53

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Solution

The fourth proportional to 608,053.50, 912,072.96 and 571,060.53 is: 856,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,053.50 : 912,072.96 = 571,060.53 : x
  2. Step 2: Convert to fraction form
    608,053.50/912,072.96 = 571,060.53/x
  3. Step 3: Cross multiply
    608,053.50x = 912,072.96 × 571,060.53
  4. Step 4: Simplify right side
    608,053.50x = 520,848,867,936.27
  5. Step 5: Solve for x
    x = 520,848,867,936.27/608,053.50
  6. Step 6: Final answer
    x = 856,583.95

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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.