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Finding the Fourth Proportional to 672,320.51, 927,802.45 and 366,396.96

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Solution

The fourth proportional to 672,320.51, 927,802.45 and 366,396.96 is: 505,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,320.51 : 927,802.45 = 366,396.96 : x
  2. Step 2: Convert to fraction form
    672,320.51/927,802.45 = 366,396.96/x
  3. Step 3: Cross multiply
    672,320.51x = 927,802.45 × 366,396.96
  4. Step 4: Simplify right side
    672,320.51x = 339,943,997,160.55
  5. Step 5: Solve for x
    x = 339,943,997,160.55/672,320.51
  6. Step 6: Final answer
    x = 505,627.88

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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.