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Finding the Fourth Proportional to 617,266.40, 925,899.60 and 613,329.80

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Solution

The fourth proportional to 617,266.40, 925,899.60 and 613,329.80 is: 919,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,266.40 : 925,899.60 = 613,329.80 : x
  2. Step 2: Convert to fraction form
    617,266.40/925,899.60 = 613,329.80/x
  3. Step 3: Cross multiply
    617,266.40x = 925,899.60 × 613,329.80
  4. Step 4: Simplify right side
    617,266.40x = 567,881,816,488.08
  5. Step 5: Solve for x
    x = 567,881,816,488.08/617,266.40
  6. Step 6: Final answer
    x = 919,994.70

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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.