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Finding the Fourth Proportional to 855,693.44, 1,180,869 and 473,720.12

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Solution

The fourth proportional to 855,693.44, 1,180,869 and 473,720.12 is: 653,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,693.44 : 1,180,869 = 473,720.12 : x
  2. Step 2: Convert to fraction form
    855,693.44/1,180,869 = 473,720.12/x
  3. Step 3: Cross multiply
    855,693.44x = 1,180,869 × 473,720.12
  4. Step 4: Simplify right side
    855,693.44x = 559,401,404,384.28
  5. Step 5: Solve for x
    x = 559,401,404,384.28/855,693.44
  6. Step 6: Final answer
    x = 653,740.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.