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Finding the Fourth Proportional to 453,965.55, 680,784.30 and 183,980.40

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Solution

The fourth proportional to 453,965.55, 680,784.30 and 183,980.40 is: 275,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,965.55 : 680,784.30 = 183,980.40 : x
  2. Step 2: Convert to fraction form
    453,965.55/680,784.30 = 183,980.40/x
  3. Step 3: Cross multiply
    453,965.55x = 680,784.30 × 183,980.40
  4. Step 4: Simplify right side
    453,965.55x = 125,250,967,827.72
  5. Step 5: Solve for x
    x = 125,250,967,827.72/453,965.55
  6. Step 6: Final answer
    x = 275,904.12

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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.