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Finding the Fourth Proportional to 507,387.22, 700,185.52 and 277,949.06

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Solution

The fourth proportional to 507,387.22, 700,185.52 and 277,949.06 is: 383,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,387.22 : 700,185.52 = 277,949.06 : x
  2. Step 2: Convert to fraction form
    507,387.22/700,185.52 = 277,949.06/x
  3. Step 3: Cross multiply
    507,387.22x = 700,185.52 × 277,949.06
  4. Step 4: Simplify right side
    507,387.22x = 194,615,907,109.61
  5. Step 5: Solve for x
    x = 194,615,907,109.61/507,387.22
  6. Step 6: Final answer
    x = 383,564.86

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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.