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Finding the Fourth Proportional to 703,394.04, 970,329.86 and 461,643.06

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Solution

The fourth proportional to 703,394.04, 970,329.86 and 461,643.06 is: 636,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,394.04 : 970,329.86 = 461,643.06 : x
  2. Step 2: Convert to fraction form
    703,394.04/970,329.86 = 461,643.06/x
  3. Step 3: Cross multiply
    703,394.04x = 970,329.86 × 461,643.06
  4. Step 4: Simplify right side
    703,394.04x = 447,946,045,779.77
  5. Step 5: Solve for x
    x = 447,946,045,779.77/703,394.04
  6. Step 6: Final answer
    x = 636,835.15

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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.