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Finding the Fourth Proportional to 445,896.90, 615,848.82 and 293,615.82

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Solution

The fourth proportional to 445,896.90, 615,848.82 and 293,615.82 is: 405,526.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,896.90 : 615,848.82 = 293,615.82 : x
  2. Step 2: Convert to fraction form
    445,896.90/615,848.82 = 293,615.82/x
  3. Step 3: Cross multiply
    445,896.90x = 615,848.82 × 293,615.82
  4. Step 4: Simplify right side
    445,896.90x = 180,822,956,280.33
  5. Step 5: Solve for x
    x = 180,822,956,280.33/445,896.90
  6. Step 6: Final answer
    x = 405,526.38

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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.