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Finding the Fourth Proportional to 306,554.88, 459,851.76 and 96,201.12

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Solution

The fourth proportional to 306,554.88, 459,851.76 and 96,201.12 is: 144,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,554.88 : 459,851.76 = 96,201.12 : x
  2. Step 2: Convert to fraction form
    306,554.88/459,851.76 = 96,201.12/x
  3. Step 3: Cross multiply
    306,554.88x = 459,851.76 × 96,201.12
  4. Step 4: Simplify right side
    306,554.88x = 44,238,254,345.97
  5. Step 5: Solve for x
    x = 44,238,254,345.97/306,554.88
  6. Step 6: Final answer
    x = 144,307.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.