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Finding the Fourth Proportional to 346,775.58, 520,181.38 and 110,136.78

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Solution

The fourth proportional to 346,775.58, 520,181.38 and 110,136.78 is: 165,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,775.58 : 520,181.38 = 110,136.78 : x
  2. Step 2: Convert to fraction form
    346,775.58/520,181.38 = 110,136.78/x
  3. Step 3: Cross multiply
    346,775.58x = 520,181.38 × 110,136.78
  4. Step 4: Simplify right side
    346,775.58x = 57,291,102,209.16
  5. Step 5: Solve for x
    x = 57,291,102,209.16/346,775.58
  6. Step 6: Final answer
    x = 165,210.89

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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.