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Finding the Fourth Proportional to 453,597.60, 680,429.52 and 153,956.64

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Solution

The fourth proportional to 453,597.60, 680,429.52 and 153,956.64 is: 230,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,597.60 : 680,429.52 = 153,956.64 : x
  2. Step 2: Convert to fraction form
    453,597.60/680,429.52 = 153,956.64/x
  3. Step 3: Cross multiply
    453,597.60x = 680,429.52 × 153,956.64
  4. Step 4: Simplify right side
    453,597.60x = 104,756,642,656.01
  5. Step 5: Solve for x
    x = 104,756,642,656.01/453,597.60
  6. Step 6: Final answer
    x = 230,946.20

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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.