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Finding the Fourth Proportional to 586,417.62, 808,839.02 and 538,175.36

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Solution

The fourth proportional to 586,417.62, 808,839.02 and 538,175.36 is: 742,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,417.62 : 808,839.02 = 538,175.36 : x
  2. Step 2: Convert to fraction form
    586,417.62/808,839.02 = 538,175.36/x
  3. Step 3: Cross multiply
    586,417.62x = 808,839.02 × 538,175.36
  4. Step 4: Simplify right side
    586,417.62x = 435,297,230,770.55
  5. Step 5: Solve for x
    x = 435,297,230,770.55/586,417.62
  6. Step 6: Final answer
    x = 742,299.03

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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.