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Finding the Fourth Proportional to 346,727.30, 520,090.95 and 160,103.30

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Solution

The fourth proportional to 346,727.30, 520,090.95 and 160,103.30 is: 240,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,727.30 : 520,090.95 = 160,103.30 : x
  2. Step 2: Convert to fraction form
    346,727.30/520,090.95 = 160,103.30/x
  3. Step 3: Cross multiply
    346,727.30x = 520,090.95 × 160,103.30
  4. Step 4: Simplify right side
    346,727.30x = 83,268,277,395.14
  5. Step 5: Solve for x
    x = 83,268,277,395.14/346,727.30
  6. Step 6: Final answer
    x = 240,154.95

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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.