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Finding the Fourth Proportional to 371,212.01, 512,007.93 and 340,683.51

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Solution

The fourth proportional to 371,212.01, 512,007.93 and 340,683.51 is: 469,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,212.01 : 512,007.93 = 340,683.51 : x
  2. Step 2: Convert to fraction form
    371,212.01/512,007.93 = 340,683.51/x
  3. Step 3: Cross multiply
    371,212.01x = 512,007.93 × 340,683.51
  4. Step 4: Simplify right side
    371,212.01x = 174,432,658,740.23
  5. Step 5: Solve for x
    x = 174,432,658,740.23/371,212.01
  6. Step 6: Final answer
    x = 469,900.37

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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.