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Finding the Fourth Proportional to 436,885.51, 602,591.42 and 291,618.05

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Solution

The fourth proportional to 436,885.51, 602,591.42 and 291,618.05 is: 402,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,885.51 : 602,591.42 = 291,618.05 : x
  2. Step 2: Convert to fraction form
    436,885.51/602,591.42 = 291,618.05/x
  3. Step 3: Cross multiply
    436,885.51x = 602,591.42 × 291,618.05
  4. Step 4: Simplify right side
    436,885.51x = 175,726,531,834.17
  5. Step 5: Solve for x
    x = 175,726,531,834.17/436,885.51
  6. Step 6: Final answer
    x = 402,225.59

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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.