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Finding the Fourth Proportional to 1,796,953.60, 2,695,430.40 and 1,649,987.20

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Solution

The fourth proportional to 1,796,953.60, 2,695,430.40 and 1,649,987.20 is: 2,474,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,953.60 : 2,695,430.40 = 1,649,987.20 : x
  2. Step 2: Convert to fraction form
    1,796,953.60/2,695,430.40 = 1,649,987.20/x
  3. Step 3: Cross multiply
    1,796,953.60x = 2,695,430.40 × 1,649,987.20
  4. Step 4: Simplify right side
    1,796,953.60x = 4,447,425,658,490.88
  5. Step 5: Solve for x
    x = 4,447,425,658,490.88/1,796,953.60
  6. Step 6: Final answer
    x = 2,474,980.80

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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.