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Finding the Fourth Proportional to 505,818.74, 755,038.13 and 441,973.28

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Solution

The fourth proportional to 505,818.74, 755,038.13 and 441,973.28 is: 659,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,818.74 : 755,038.13 = 441,973.28 : x
  2. Step 2: Convert to fraction form
    505,818.74/755,038.13 = 441,973.28/x
  3. Step 3: Cross multiply
    505,818.74x = 755,038.13 × 441,973.28
  4. Step 4: Simplify right side
    505,818.74x = 333,706,678,518.90
  5. Step 5: Solve for x
    x = 333,706,678,518.90/505,818.74
  6. Step 6: Final answer
    x = 659,735.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.