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Finding the Fourth Proportional to 514,408.28, 768,483.53 and 333,015.93

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Solution

The fourth proportional to 514,408.28, 768,483.53 and 333,015.93 is: 497,498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,408.28 : 768,483.53 = 333,015.93 : x
  2. Step 2: Convert to fraction form
    514,408.28/768,483.53 = 333,015.93/x
  3. Step 3: Cross multiply
    514,408.28x = 768,483.53 × 333,015.93
  4. Step 4: Simplify right side
    514,408.28x = 255,917,255,767.55
  5. Step 5: Solve for x
    x = 255,917,255,767.55/514,408.28
  6. Step 6: Final answer
    x = 497,498.33

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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.