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Finding the Fourth Proportional to 703,774.61, 972,016.09 and 463,131.48

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Solution

The fourth proportional to 703,774.61, 972,016.09 and 463,131.48 is: 639,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,774.61 : 972,016.09 = 463,131.48 : x
  2. Step 2: Convert to fraction form
    703,774.61/972,016.09 = 463,131.48/x
  3. Step 3: Cross multiply
    703,774.61x = 972,016.09 × 463,131.48
  4. Step 4: Simplify right side
    703,774.61x = 450,171,249,447.67
  5. Step 5: Solve for x
    x = 450,171,249,447.67/703,774.61
  6. Step 6: Final answer
    x = 639,652.59

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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.