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Finding the Fourth Proportional to 346,693.67, 478,434.90 and 193,732.24

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Solution

The fourth proportional to 346,693.67, 478,434.90 and 193,732.24 is: 267,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,693.67 : 478,434.90 = 193,732.24 : x
  2. Step 2: Convert to fraction form
    346,693.67/478,434.90 = 193,732.24/x
  3. Step 3: Cross multiply
    346,693.67x = 478,434.90 × 193,732.24
  4. Step 4: Simplify right side
    346,693.67x = 92,688,265,298.65
  5. Step 5: Solve for x
    x = 92,688,265,298.65/346,693.67
  6. Step 6: Final answer
    x = 267,349.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.