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Finding the Fourth Proportional to 617,269.40, 925,904.10 and 613,332.80

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Solution

The fourth proportional to 617,269.40, 925,904.10 and 613,332.80 is: 919,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,269.40 : 925,904.10 = 613,332.80 : x
  2. Step 2: Convert to fraction form
    617,269.40/925,904.10 = 613,332.80/x
  3. Step 3: Cross multiply
    617,269.40x = 925,904.10 × 613,332.80
  4. Step 4: Simplify right side
    617,269.40x = 567,887,354,184.48
  5. Step 5: Solve for x
    x = 567,887,354,184.48/617,269.40
  6. Step 6: Final answer
    x = 919,999.20

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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.