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Finding the Fourth Proportional to 436,498.56, 602,365.66 and 245,507.84

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Solution

The fourth proportional to 436,498.56, 602,365.66 and 245,507.84 is: 338,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,498.56 : 602,365.66 = 245,507.84 : x
  2. Step 2: Convert to fraction form
    436,498.56/602,365.66 = 245,507.84/x
  3. Step 3: Cross multiply
    436,498.56x = 602,365.66 × 245,507.84
  4. Step 4: Simplify right side
    436,498.56x = 147,885,492,076.77
  5. Step 5: Solve for x
    x = 147,885,492,076.77/436,498.56
  6. Step 6: Final answer
    x = 338,799.50

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Similar ratio
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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.