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Finding the Fourth Proportional to 502,007, 692,774.52 and 275,657.36

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Solution

The fourth proportional to 502,007, 692,774.52 and 275,657.36 is: 380,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,007 : 692,774.52 = 275,657.36 : x
  2. Step 2: Convert to fraction form
    502,007/692,774.52 = 275,657.36/x
  3. Step 3: Cross multiply
    502,007x = 692,774.52 × 275,657.36
  4. Step 4: Simplify right side
    502,007x = 190,968,395,258.47
  5. Step 5: Solve for x
    x = 190,968,395,258.47/502,007
  6. Step 6: Final answer
    x = 380,409.83

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1.5x scale

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.