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Finding the Fourth Proportional to 507,303.11, 700,053.33 and 277,861.40

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Solution

The fourth proportional to 507,303.11, 700,053.33 and 277,861.40 is: 383,435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,303.11 : 700,053.33 = 277,861.40 : x
  2. Step 2: Convert to fraction form
    507,303.11/700,053.33 = 277,861.40/x
  3. Step 3: Cross multiply
    507,303.11x = 700,053.33 × 277,861.40
  4. Step 4: Simplify right side
    507,303.11x = 194,517,794,848.20
  5. Step 5: Solve for x
    x = 194,517,794,848.20/507,303.11
  6. Step 6: Final answer
    x = 383,435.06

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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.