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Finding the Fourth Proportional to 1,859,572.02, 2,786,960.34 and 899,802.03

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Solution

The fourth proportional to 1,859,572.02, 2,786,960.34 and 899,802.03 is: 1,348,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,572.02 : 2,786,960.34 = 899,802.03 : x
  2. Step 2: Convert to fraction form
    1,859,572.02/2,786,960.34 = 899,802.03/x
  3. Step 3: Cross multiply
    1,859,572.02x = 2,786,960.34 × 899,802.03
  4. Step 4: Simplify right side
    1,859,572.02x = 2,507,712,571,461.49
  5. Step 5: Solve for x
    x = 2,507,712,571,461.49/1,859,572.02
  6. Step 6: Final answer
    x = 1,348,542.86

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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.