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Finding the Fourth Proportional to 531,583.48, 797,666.82 and 215,955.64

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Solution

The fourth proportional to 531,583.48, 797,666.82 and 215,955.64 is: 324,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,583.48 : 797,666.82 = 215,955.64 : x
  2. Step 2: Convert to fraction form
    531,583.48/797,666.82 = 215,955.64/x
  3. Step 3: Cross multiply
    531,583.48x = 797,666.82 × 215,955.64
  4. Step 4: Simplify right side
    531,583.48x = 172,260,648,619.87
  5. Step 5: Solve for x
    x = 172,260,648,619.87/531,583.48
  6. Step 6: Final answer
    x = 324,051.92

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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.