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Finding the Fourth Proportional to 622,975.10, 934,462.65 and 617,070.20

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Solution

The fourth proportional to 622,975.10, 934,462.65 and 617,070.20 is: 925,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,975.10 : 934,462.65 = 617,070.20 : x
  2. Step 2: Convert to fraction form
    622,975.10/934,462.65 = 617,070.20/x
  3. Step 3: Cross multiply
    622,975.10x = 934,462.65 × 617,070.20
  4. Step 4: Simplify right side
    622,975.10x = 576,629,054,328.03
  5. Step 5: Solve for x
    x = 576,629,054,328.03/622,975.10
  6. Step 6: Final answer
    x = 925,605.30

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Double scale
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Similar ratio
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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.