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Finding the Fourth Proportional to 659,528.73, 910,170.27 and 373,043.07

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Solution

The fourth proportional to 659,528.73, 910,170.27 and 373,043.07 is: 514,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,528.73 : 910,170.27 = 373,043.07 : x
  2. Step 2: Convert to fraction form
    659,528.73/910,170.27 = 373,043.07/x
  3. Step 3: Cross multiply
    659,528.73x = 910,170.27 × 373,043.07
  4. Step 4: Simplify right side
    659,528.73x = 339,532,711,743.53
  5. Step 5: Solve for x
    x = 339,532,711,743.53/659,528.73
  6. Step 6: Final answer
    x = 514,811.10

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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.