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Finding the Fourth Proportional to 609,300.88, 915,573.40 and 570,994.40

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Solution

The fourth proportional to 609,300.88, 915,573.40 and 570,994.40 is: 858,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,300.88 : 915,573.40 = 570,994.40 : x
  2. Step 2: Convert to fraction form
    609,300.88/915,573.40 = 570,994.40/x
  3. Step 3: Cross multiply
    609,300.88x = 915,573.40 × 570,994.40
  4. Step 4: Simplify right side
    609,300.88x = 522,787,284,188.96
  5. Step 5: Solve for x
    x = 522,787,284,188.96/609,300.88
  6. Step 6: Final answer
    x = 858,011.70

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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.