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Finding the Fourth Proportional to 675,308.72, 931,863.48 and 373,496.24

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Solution

The fourth proportional to 675,308.72, 931,863.48 and 373,496.24 is: 515,390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,308.72 : 931,863.48 = 373,496.24 : x
  2. Step 2: Convert to fraction form
    675,308.72/931,863.48 = 373,496.24/x
  3. Step 3: Cross multiply
    675,308.72x = 931,863.48 × 373,496.24
  4. Step 4: Simplify right side
    675,308.72x = 348,047,505,973.32
  5. Step 5: Solve for x
    x = 348,047,505,973.32/675,308.72
  6. Step 6: Final answer
    x = 515,390.21

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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.