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Finding the Fourth Proportional to 529,614.40, 743,326.40 and 529,614.40

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Solution

The fourth proportional to 529,614.40, 743,326.40 and 529,614.40 is: 743,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,614.40 : 743,326.40 = 529,614.40 : x
  2. Step 2: Convert to fraction form
    529,614.40/743,326.40 = 529,614.40/x
  3. Step 3: Cross multiply
    529,614.40x = 743,326.40 × 529,614.40
  4. Step 4: Simplify right side
    529,614.40x = 393,676,365,340.16
  5. Step 5: Solve for x
    x = 393,676,365,340.16/529,614.40
  6. Step 6: Final answer
    x = 743,326.40

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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.