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Finding the Fourth Proportional to 445,564.76, 614,911.90 and 254,574.06

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Solution

The fourth proportional to 445,564.76, 614,911.90 and 254,574.06 is: 351,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,564.76 : 614,911.90 = 254,574.06 : x
  2. Step 2: Convert to fraction form
    445,564.76/614,911.90 = 254,574.06/x
  3. Step 3: Cross multiply
    445,564.76x = 614,911.90 × 254,574.06
  4. Step 4: Simplify right side
    445,564.76x = 156,540,618,925.31
  5. Step 5: Solve for x
    x = 156,540,618,925.31/445,564.76
  6. Step 6: Final answer
    x = 351,330.79

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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.