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Finding the Fourth Proportional to 615,465.35, 923,601.69 and 216,095.84

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Solution

The fourth proportional to 615,465.35, 923,601.69 and 216,095.84 is: 324,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,465.35 : 923,601.69 = 216,095.84 : x
  2. Step 2: Convert to fraction form
    615,465.35/923,601.69 = 216,095.84/x
  3. Step 3: Cross multiply
    615,465.35x = 923,601.69 × 216,095.84
  4. Step 4: Simplify right side
    615,465.35x = 199,586,478,407.96
  5. Step 5: Solve for x
    x = 199,586,478,407.96/615,465.35
  6. Step 6: Final answer
    x = 324,285.49

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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.