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Finding the Fourth Proportional to 539,088.41, 744,181.12 and 348,194.90

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Solution

The fourth proportional to 539,088.41, 744,181.12 and 348,194.90 is: 480,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,088.41 : 744,181.12 = 348,194.90 : x
  2. Step 2: Convert to fraction form
    539,088.41/744,181.12 = 348,194.90/x
  3. Step 3: Cross multiply
    539,088.41x = 744,181.12 × 348,194.90
  4. Step 4: Simplify right side
    539,088.41x = 259,120,072,955.98
  5. Step 5: Solve for x
    x = 259,120,072,955.98/539,088.41
  6. Step 6: Final answer
    x = 480,663.41

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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.