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Finding the Fourth Proportional to 1,167,004, 1,610,465.52 and 630,460

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Solution

The fourth proportional to 1,167,004, 1,610,465.52 and 630,460 is: 870,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,004 : 1,610,465.52 = 630,460 : x
  2. Step 2: Convert to fraction form
    1,167,004/1,610,465.52 = 630,460/x
  3. Step 3: Cross multiply
    1,167,004x = 1,610,465.52 × 630,460
  4. Step 4: Simplify right side
    1,167,004x = 1,015,334,091,739.20
  5. Step 5: Solve for x
    x = 1,015,334,091,739.20/1,167,004
  6. Step 6: Final answer
    x = 870,034.80

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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.