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Finding the Fourth Proportional to 706,769.16, 975,702.48 and 545,261.64

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Solution

The fourth proportional to 706,769.16, 975,702.48 and 545,261.64 is: 752,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,769.16 : 975,702.48 = 545,261.64 : x
  2. Step 2: Convert to fraction form
    706,769.16/975,702.48 = 545,261.64/x
  3. Step 3: Cross multiply
    706,769.16x = 975,702.48 × 545,261.64
  4. Step 4: Simplify right side
    706,769.16x = 532,013,134,396.87
  5. Step 5: Solve for x
    x = 532,013,134,396.87/706,769.16
  6. Step 6: Final answer
    x = 752,739.60

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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.