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Finding the Fourth Proportional to 346,578.04, 519,885.42 and 97,279.48

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Solution

The fourth proportional to 346,578.04, 519,885.42 and 97,279.48 is: 145,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,578.04 : 519,885.42 = 97,279.48 : x
  2. Step 2: Convert to fraction form
    346,578.04/519,885.42 = 97,279.48/x
  3. Step 3: Cross multiply
    346,578.04x = 519,885.42 × 97,279.48
  4. Step 4: Simplify right side
    346,578.04x = 50,574,183,317.18
  5. Step 5: Solve for x
    x = 50,574,183,317.18/346,578.04
  6. Step 6: Final answer
    x = 145,924.37

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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.