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Finding the Fourth Proportional to 531,194.40, 745,538.40 and 531,194.40

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Solution

The fourth proportional to 531,194.40, 745,538.40 and 531,194.40 is: 745,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,194.40 : 745,538.40 = 531,194.40 : x
  2. Step 2: Convert to fraction form
    531,194.40/745,538.40 = 531,194.40/x
  3. Step 3: Cross multiply
    531,194.40x = 745,538.40 × 531,194.40
  4. Step 4: Simplify right side
    531,194.40x = 396,025,823,064.96
  5. Step 5: Solve for x
    x = 396,025,823,064.96/531,194.40
  6. Step 6: Final answer
    x = 745,538.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.