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Finding the Fourth Proportional to 507,165.16, 760,821.90 and 152,207.23

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Solution

The fourth proportional to 507,165.16, 760,821.90 and 152,207.23 is: 228,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,165.16 : 760,821.90 = 152,207.23 : x
  2. Step 2: Convert to fraction form
    507,165.16/760,821.90 = 152,207.23/x
  3. Step 3: Cross multiply
    507,165.16x = 760,821.90 × 152,207.23
  4. Step 4: Simplify right side
    507,165.16x = 115,802,593,922.34
  5. Step 5: Solve for x
    x = 115,802,593,922.34/507,165.16
  6. Step 6: Final answer
    x = 228,333.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.