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Finding the Fourth Proportional to 346,781.80, 520,172.67 and 97,463.80

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Solution

The fourth proportional to 346,781.80, 520,172.67 and 97,463.80 is: 146,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,781.80 : 520,172.67 = 97,463.80 : x
  2. Step 2: Convert to fraction form
    346,781.80/520,172.67 = 97,463.80/x
  3. Step 3: Cross multiply
    346,781.80x = 520,172.67 × 97,463.80
  4. Step 4: Simplify right side
    346,781.80x = 50,698,005,074.35
  5. Step 5: Solve for x
    x = 50,698,005,074.35/346,781.80
  6. Step 6: Final answer
    x = 146,195.69

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1.5x scale

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.