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Finding the Fourth Proportional to 613,130.67, 925,455.32 and 613,130.67

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Solution

The fourth proportional to 613,130.67, 925,455.32 and 613,130.67 is: 925,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,130.67 : 925,455.32 = 613,130.67 : x
  2. Step 2: Convert to fraction form
    613,130.67/925,455.32 = 613,130.67/x
  3. Step 3: Cross multiply
    613,130.67x = 925,455.32 × 613,130.67
  4. Step 4: Simplify right side
    613,130.67x = 567,425,037,341.01
  5. Step 5: Solve for x
    x = 567,425,037,341.01/613,130.67
  6. Step 6: Final answer
    x = 925,455.32

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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 (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.