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Finding the Fourth Proportional to 615,408.51, 923,525.10 and 216,050.46

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Solution

The fourth proportional to 615,408.51, 923,525.10 and 216,050.46 is: 324,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,408.51 : 923,525.10 = 216,050.46 : x
  2. Step 2: Convert to fraction form
    615,408.51/923,525.10 = 216,050.46/x
  3. Step 3: Cross multiply
    615,408.51x = 923,525.10 × 216,050.46
  4. Step 4: Simplify right side
    615,408.51x = 199,528,022,676.55
  5. Step 5: Solve for x
    x = 199,528,022,676.55/615,408.51
  6. Step 6: Final answer
    x = 324,220.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.