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Finding the Fourth Proportional to 453,925.90, 679,904.70 and 294,493.60

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Solution

The fourth proportional to 453,925.90, 679,904.70 and 294,493.60 is: 441,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,925.90 : 679,904.70 = 294,493.60 : x
  2. Step 2: Convert to fraction form
    453,925.90/679,904.70 = 294,493.60/x
  3. Step 3: Cross multiply
    453,925.90x = 679,904.70 × 294,493.60
  4. Step 4: Simplify right side
    453,925.90x = 200,227,582,759.92
  5. Step 5: Solve for x
    x = 200,227,582,759.92/453,925.90
  6. Step 6: Final answer
    x = 441,101.91

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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.