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Finding the Fourth Proportional to 453,077, 679,190.79 and 153,347.84

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Solution

The fourth proportional to 453,077, 679,190.79 and 153,347.84 is: 229,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,077 : 679,190.79 = 153,347.84 : x
  2. Step 2: Convert to fraction form
    453,077/679,190.79 = 153,347.84/x
  3. Step 3: Cross multiply
    453,077x = 679,190.79 × 153,347.84
  4. Step 4: Simplify right side
    453,077x = 104,152,440,594.39
  5. Step 5: Solve for x
    x = 104,152,440,594.39/453,077
  6. Step 6: Final answer
    x = 229,878.01

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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.