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Finding the Fourth Proportional to 609,510.10, 912,515.55 and 373,314.10

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Solution

The fourth proportional to 609,510.10, 912,515.55 and 373,314.10 is: 558,899.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,510.10 : 912,515.55 = 373,314.10 : x
  2. Step 2: Convert to fraction form
    609,510.10/912,515.55 = 373,314.10/x
  3. Step 3: Cross multiply
    609,510.10x = 912,515.55 × 373,314.10
  4. Step 4: Simplify right side
    609,510.10x = 340,654,921,284.26
  5. Step 5: Solve for x
    x = 340,654,921,284.26/609,510.10
  6. Step 6: Final answer
    x = 558,899.55

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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.