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Finding the Fourth Proportional to 453,367.55, 679,490.80 and 228,792.24

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Solution

The fourth proportional to 453,367.55, 679,490.80 and 228,792.24 is: 342,905.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,367.55 : 679,490.80 = 228,792.24 : x
  2. Step 2: Convert to fraction form
    453,367.55/679,490.80 = 228,792.24/x
  3. Step 3: Cross multiply
    453,367.55x = 679,490.80 × 228,792.24
  4. Step 4: Simplify right side
    453,367.55x = 155,462,221,619.41
  5. Step 5: Solve for x
    x = 155,462,221,619.41/453,367.55
  6. Step 6: Final answer
    x = 342,905.49

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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.