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Finding the Fourth Proportional to 353,185.79, 480,875.60 and 352,064.75

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Solution

The fourth proportional to 353,185.79, 480,875.60 and 352,064.75 is: 479,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,185.79 : 480,875.60 = 352,064.75 : x
  2. Step 2: Convert to fraction form
    353,185.79/480,875.60 = 352,064.75/x
  3. Step 3: Cross multiply
    353,185.79x = 480,875.60 × 352,064.75
  4. Step 4: Simplify right side
    353,185.79x = 169,299,346,370.88
  5. Step 5: Solve for x
    x = 169,299,346,370.88/353,185.79
  6. Step 6: Final answer
    x = 479,349.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.