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Finding the Fourth Proportional to 608,381.40, 912,267.54 and 187,602.60

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Solution

The fourth proportional to 608,381.40, 912,267.54 and 187,602.60 is: 281,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,381.40 : 912,267.54 = 187,602.60 : x
  2. Step 2: Convert to fraction form
    608,381.40/912,267.54 = 187,602.60/x
  3. Step 3: Cross multiply
    608,381.40x = 912,267.54 × 187,602.60
  4. Step 4: Simplify right side
    608,381.40x = 171,143,762,399.60
  5. Step 5: Solve for x
    x = 171,143,762,399.60/608,381.40
  6. Step 6: Final answer
    x = 281,309.98

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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.