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Finding the Fourth Proportional to 703,857.15, 971,699.73 and 550,569.64

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Solution

The fourth proportional to 703,857.15, 971,699.73 and 550,569.64 is: 760,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,857.15 : 971,699.73 = 550,569.64 : x
  2. Step 2: Convert to fraction form
    703,857.15/971,699.73 = 550,569.64/x
  3. Step 3: Cross multiply
    703,857.15x = 971,699.73 × 550,569.64
  4. Step 4: Simplify right side
    703,857.15x = 534,988,370,534.20
  5. Step 5: Solve for x
    x = 534,988,370,534.20/703,857.15
  6. Step 6: Final answer
    x = 760,080.89

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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.