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Finding the Fourth Proportional to 346,656.25, 520,028.12 and 118,996.23

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Solution

The fourth proportional to 346,656.25, 520,028.12 and 118,996.23 is: 178,509.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,656.25 : 520,028.12 = 118,996.23 : x
  2. Step 2: Convert to fraction form
    346,656.25/520,028.12 = 118,996.23/x
  3. Step 3: Cross multiply
    346,656.25x = 520,028.12 × 118,996.23
  4. Step 4: Simplify right side
    346,656.25x = 61,881,385,773.99
  5. Step 5: Solve for x
    x = 61,881,385,773.99/346,656.25
  6. Step 6: Final answer
    x = 178,509.36

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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.