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Finding the Fourth Proportional to 731,598.93, 1,009,951.71 and 550,380.03

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Solution

The fourth proportional to 731,598.93, 1,009,951.71 and 550,380.03 is: 759,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,598.93 : 1,009,951.71 = 550,380.03 : x
  2. Step 2: Convert to fraction form
    731,598.93/1,009,951.71 = 550,380.03/x
  3. Step 3: Cross multiply
    731,598.93x = 1,009,951.71 × 550,380.03
  4. Step 4: Simplify right side
    731,598.93x = 555,857,252,448.35
  5. Step 5: Solve for x
    x = 555,857,252,448.35/731,598.93
  6. Step 6: Final answer
    x = 759,784.12

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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.