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Finding the Fourth Proportional to 283,572,409.80, 425,358,614.70 and 266,353,721.40

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Solution

The fourth proportional to 283,572,409.80, 425,358,614.70 and 266,353,721.40 is: 399,530,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,572,409.80 : 425,358,614.70 = 266,353,721.40 : x
  2. Step 2: Convert to fraction form
    283,572,409.80/425,358,614.70 = 266,353,721.40/x
  3. Step 3: Cross multiply
    283,572,409.80x = 425,358,614.70 × 266,353,721.40
  4. Step 4: Simplify right side
    283,572,409.80x = 113,295,849,954,893,744
  5. Step 5: Solve for x
    x = 113,295,849,954,893,744/283,572,409.80
  6. Step 6: Final answer
    x = 399,530,582.10

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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.