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Finding the Fourth Proportional to 737,802.77, 1,018,140.95 and 411,098.90

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Solution

The fourth proportional to 737,802.77, 1,018,140.95 and 411,098.90 is: 567,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,802.77 : 1,018,140.95 = 411,098.90 : x
  2. Step 2: Convert to fraction form
    737,802.77/1,018,140.95 = 411,098.90/x
  3. Step 3: Cross multiply
    737,802.77x = 1,018,140.95 × 411,098.90
  4. Step 4: Simplify right side
    737,802.77x = 418,556,628,818.39
  5. Step 5: Solve for x
    x = 418,556,628,818.39/737,802.77
  6. Step 6: Final answer
    x = 567,301.51

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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.