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Finding the Fourth Proportional to 507,360.08, 760,888.24 and 318,108.04

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Solution

The fourth proportional to 507,360.08, 760,888.24 and 318,108.04 is: 477,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,360.08 : 760,888.24 = 318,108.04 : x
  2. Step 2: Convert to fraction form
    507,360.08/760,888.24 = 318,108.04/x
  3. Step 3: Cross multiply
    507,360.08x = 760,888.24 × 318,108.04
  4. Step 4: Simplify right side
    507,360.08x = 242,044,666,685.45
  5. Step 5: Solve for x
    x = 242,044,666,685.45/507,360.08
  6. Step 6: Final answer
    x = 477,066.83

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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.