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Finding the Fourth Proportional to 625,696.69, 930,496.04 and 605,767.45

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Solution

The fourth proportional to 625,696.69, 930,496.04 and 605,767.45 is: 900,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,696.69 : 930,496.04 = 605,767.45 : x
  2. Step 2: Convert to fraction form
    625,696.69/930,496.04 = 605,767.45/x
  3. Step 3: Cross multiply
    625,696.69x = 930,496.04 × 605,767.45
  4. Step 4: Simplify right side
    625,696.69x = 563,664,208,030.82
  5. Step 5: Solve for x
    x = 563,664,208,030.82/625,696.69
  6. Step 6: Final answer
    x = 900,858.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.