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Finding the Fourth Proportional to 1,736,003.20, 2,604,004.80 and 1,105,369.60

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Solution

The fourth proportional to 1,736,003.20, 2,604,004.80 and 1,105,369.60 is: 1,658,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736,003.20 : 2,604,004.80 = 1,105,369.60 : x
  2. Step 2: Convert to fraction form
    1,736,003.20/2,604,004.80 = 1,105,369.60/x
  3. Step 3: Cross multiply
    1,736,003.20x = 2,604,004.80 × 1,105,369.60
  4. Step 4: Simplify right side
    1,736,003.20x = 2,878,387,744,174.08
  5. Step 5: Solve for x
    x = 2,878,387,744,174.08/1,736,003.20
  6. Step 6: Final answer
    x = 1,658,054.40

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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.