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Finding the Fourth Proportional to 619,574.72, 924,213.32 and 609,297.96

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Solution

The fourth proportional to 619,574.72, 924,213.32 and 609,297.96 is: 908,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,574.72 : 924,213.32 = 609,297.96 : x
  2. Step 2: Convert to fraction form
    619,574.72/924,213.32 = 609,297.96/x
  3. Step 3: Cross multiply
    619,574.72x = 924,213.32 × 609,297.96
  4. Step 4: Simplify right side
    619,574.72x = 563,121,290,480.83
  5. Step 5: Solve for x
    x = 563,121,290,480.83/619,574.72
  6. Step 6: Final answer
    x = 908,883.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.