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Finding the Fourth Proportional to 453,200.55, 679,800.83 and 425,206.95

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Solution

The fourth proportional to 453,200.55, 679,800.83 and 425,206.95 is: 637,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,200.55 : 679,800.83 = 425,206.95 : x
  2. Step 2: Convert to fraction form
    453,200.55/679,800.83 = 425,206.95/x
  3. Step 3: Cross multiply
    453,200.55x = 679,800.83 × 425,206.95
  4. Step 4: Simplify right side
    453,200.55x = 289,056,035,405.73
  5. Step 5: Solve for x
    x = 289,056,035,405.73/453,200.55
  6. Step 6: Final answer
    x = 637,810.43

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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.