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Finding the Fourth Proportional to 453,985,403.20, 680,978,104.80 and 224,402,891.20

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Solution

The fourth proportional to 453,985,403.20, 680,978,104.80 and 224,402,891.20 is: 336,604,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,985,403.20 : 680,978,104.80 = 224,402,891.20 : x
  2. Step 2: Convert to fraction form
    453,985,403.20/680,978,104.80 = 224,402,891.20/x
  3. Step 3: Cross multiply
    453,985,403.20x = 680,978,104.80 × 224,402,891.20
  4. Step 4: Simplify right side
    453,985,403.20x = 152,813,455,561,016,576
  5. Step 5: Solve for x
    x = 152,813,455,561,016,576/453,985,403.20
  6. Step 6: Final answer
    x = 336,604,336.80

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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.