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Finding the Fourth Proportional to 609,510.60, 912,516.30 and 373,314.60

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Solution

The fourth proportional to 609,510.60, 912,516.30 and 373,314.60 is: 558,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,510.60 : 912,516.30 = 373,314.60 : x
  2. Step 2: Convert to fraction form
    609,510.60/912,516.30 = 373,314.60/x
  3. Step 3: Cross multiply
    609,510.60x = 912,516.30 × 373,314.60
  4. Step 4: Simplify right side
    609,510.60x = 340,655,657,527.98
  5. Step 5: Solve for x
    x = 340,655,657,527.98/609,510.60
  6. Step 6: Final answer
    x = 558,900.30

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Similar ratio
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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.