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Finding the Fourth Proportional to 966,842.64, 1,334,402.64 and 805,442.04

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Solution

The fourth proportional to 966,842.64, 1,334,402.64 and 805,442.04 is: 1,111,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,842.64 : 1,334,402.64 = 805,442.04 : x
  2. Step 2: Convert to fraction form
    966,842.64/1,334,402.64 = 805,442.04/x
  3. Step 3: Cross multiply
    966,842.64x = 1,334,402.64 × 805,442.04
  4. Step 4: Simplify right side
    966,842.64x = 1,074,783,984,542.99
  5. Step 5: Solve for x
    x = 1,074,783,984,542.99/966,842.64
  6. Step 6: Final answer
    x = 1,111,643.14

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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.