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Finding the Fourth Proportional to 1,166,692, 1,610,036.04 and 630,148

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Solution

The fourth proportional to 1,166,692, 1,610,036.04 and 630,148 is: 869,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,692 : 1,610,036.04 = 630,148 : x
  2. Step 2: Convert to fraction form
    1,166,692/1,610,036.04 = 630,148/x
  3. Step 3: Cross multiply
    1,166,692x = 1,610,036.04 × 630,148
  4. Step 4: Simplify right side
    1,166,692x = 1,014,560,990,533.92
  5. Step 5: Solve for x
    x = 1,014,560,990,533.92/1,166,692
  6. Step 6: Final answer
    x = 869,604.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.