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Finding the Fourth Proportional to 283,554,661.60, 424,481,686.80 and 168,479,970.40

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Solution

The fourth proportional to 283,554,661.60, 424,481,686.80 and 168,479,970.40 is: 252,214,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,554,661.60 : 424,481,686.80 = 168,479,970.40 : x
  2. Step 2: Convert to fraction form
    283,554,661.60/424,481,686.80 = 168,479,970.40/x
  3. Step 3: Cross multiply
    283,554,661.60x = 424,481,686.80 × 168,479,970.40
  4. Step 4: Simplify right side
    283,554,661.60x = 71,516,662,027,406,072
  5. Step 5: Solve for x
    x = 71,516,662,027,406,072/283,554,661.60
  6. Step 6: Final answer
    x = 252,214,728.63

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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.