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Finding the Fourth Proportional to 692,394, 955,388.28 and 462,582.84

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Solution

The fourth proportional to 692,394, 955,388.28 and 462,582.84 is: 638,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,394 : 955,388.28 = 462,582.84 : x
  2. Step 2: Convert to fraction form
    692,394/955,388.28 = 462,582.84/x
  3. Step 3: Cross multiply
    692,394x = 955,388.28 × 462,582.84
  4. Step 4: Simplify right side
    692,394x = 441,946,223,865.12
  5. Step 5: Solve for x
    x = 441,946,223,865.12/692,394
  6. Step 6: Final answer
    x = 638,287.19

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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.