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Finding the Fourth Proportional to 1,824,289.80, 2,736,693.90 and 561,985.80

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Solution

The fourth proportional to 1,824,289.80, 2,736,693.90 and 561,985.80 is: 843,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824,289.80 : 2,736,693.90 = 561,985.80 : x
  2. Step 2: Convert to fraction form
    1,824,289.80/2,736,693.90 = 561,985.80/x
  3. Step 3: Cross multiply
    1,824,289.80x = 2,736,693.90 × 561,985.80
  4. Step 4: Simplify right side
    1,824,289.80x = 1,537,983,110,746.62
  5. Step 5: Solve for x
    x = 1,537,983,110,746.62/1,824,289.80
  6. Step 6: Final answer
    x = 843,058.55

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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.