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Finding the Fourth Proportional to 453,323.52, 679,363.20 and 286,813.44

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Solution

The fourth proportional to 453,323.52, 679,363.20 and 286,813.44 is: 429,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,323.52 : 679,363.20 = 286,813.44 : x
  2. Step 2: Convert to fraction form
    453,323.52/679,363.20 = 286,813.44/x
  3. Step 3: Cross multiply
    453,323.52x = 679,363.20 × 286,813.44
  4. Step 4: Simplify right side
    453,323.52x = 194,850,496,401.41
  5. Step 5: Solve for x
    x = 194,850,496,401.41/453,323.52
  6. Step 6: Final answer
    x = 429,826.58

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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.