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Finding the Fourth Proportional to 531,567.90, 797,332.65 and 216,015.90

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Solution

The fourth proportional to 531,567.90, 797,332.65 and 216,015.90 is: 324,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,567.90 : 797,332.65 = 216,015.90 : x
  2. Step 2: Convert to fraction form
    531,567.90/797,332.65 = 216,015.90/x
  3. Step 3: Cross multiply
    531,567.90x = 797,332.65 × 216,015.90
  4. Step 4: Simplify right side
    531,567.90x = 172,236,529,989.14
  5. Step 5: Solve for x
    x = 172,236,529,989.14/531,567.90
  6. Step 6: Final answer
    x = 324,016.05

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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.