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Finding the Fourth Proportional to 607,812.40, 910,406.40 and 529,080.40

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Solution

The fourth proportional to 607,812.40, 910,406.40 and 529,080.40 is: 792,478.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,812.40 : 910,406.40 = 529,080.40 : x
  2. Step 2: Convert to fraction form
    607,812.40/910,406.40 = 529,080.40/x
  3. Step 3: Cross multiply
    607,812.40x = 910,406.40 × 529,080.40
  4. Step 4: Simplify right side
    607,812.40x = 481,678,182,274.56
  5. Step 5: Solve for x
    x = 481,678,182,274.56/607,812.40
  6. Step 6: Final answer
    x = 792,478.37

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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.