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Finding the Fourth Proportional to 607,817.10, 910,522.80 and 533,021.70

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Solution

The fourth proportional to 607,817.10, 910,522.80 and 533,021.70 is: 798,477.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,817.10 : 910,522.80 = 533,021.70 : x
  2. Step 2: Convert to fraction form
    607,817.10/910,522.80 = 533,021.70/x
  3. Step 3: Cross multiply
    607,817.10x = 910,522.80 × 533,021.70
  4. Step 4: Simplify right side
    607,817.10x = 485,328,410,744.76
  5. Step 5: Solve for x
    x = 485,328,410,744.76/607,817.10
  6. Step 6: Final answer
    x = 798,477.72

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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.