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Finding the Fourth Proportional to 370,057.54, 510,683.59 and 217,098.34

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Solution

The fourth proportional to 370,057.54, 510,683.59 and 217,098.34 is: 299,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,057.54 : 510,683.59 = 217,098.34 : x
  2. Step 2: Convert to fraction form
    370,057.54/510,683.59 = 217,098.34/x
  3. Step 3: Cross multiply
    370,057.54x = 510,683.59 × 217,098.34
  4. Step 4: Simplify right side
    370,057.54x = 110,868,556,015.33
  5. Step 5: Solve for x
    x = 110,868,556,015.33/370,057.54
  6. Step 6: Final answer
    x = 299,598.15

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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.