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Finding the Fourth Proportional to 344,445.99, 475,343.42 and 193,545.51

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Solution

The fourth proportional to 344,445.99, 475,343.42 and 193,545.51 is: 267,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,445.99 : 475,343.42 = 193,545.51 : x
  2. Step 2: Convert to fraction form
    344,445.99/475,343.42 = 193,545.51/x
  3. Step 3: Cross multiply
    344,445.99x = 475,343.42 × 193,545.51
  4. Step 4: Simplify right side
    344,445.99x = 92,000,583,681.32
  5. Step 5: Solve for x
    x = 92,000,583,681.32/344,445.99
  6. Step 6: Final answer
    x = 267,097.27

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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.