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Finding the Fourth Proportional to 501,645.79, 692,846.09 and 330,329.58

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Solution

The fourth proportional to 501,645.79, 692,846.09 and 330,329.58 is: 456,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,645.79 : 692,846.09 = 330,329.58 : x
  2. Step 2: Convert to fraction form
    501,645.79/692,846.09 = 330,329.58/x
  3. Step 3: Cross multiply
    501,645.79x = 692,846.09 × 330,329.58
  4. Step 4: Simplify right side
    501,645.79x = 228,867,554,903.26
  5. Step 5: Solve for x
    x = 228,867,554,903.26/501,645.79
  6. Step 6: Final answer
    x = 456,233.38

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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.