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Finding the Fourth Proportional to 709,592, 979,236.96 and 483,632.24

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Solution

The fourth proportional to 709,592, 979,236.96 and 483,632.24 is: 667,412.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,592 : 979,236.96 = 483,632.24 : x
  2. Step 2: Convert to fraction form
    709,592/979,236.96 = 483,632.24/x
  3. Step 3: Cross multiply
    709,592x = 979,236.96 × 483,632.24
  4. Step 4: Simplify right side
    709,592x = 473,590,564,455.59
  5. Step 5: Solve for x
    x = 473,590,564,455.59/709,592
  6. Step 6: Final answer
    x = 667,412.49

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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.