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Finding the Fourth Proportional to 551,634.76, 760,995.54 and 471,918.64

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Solution

The fourth proportional to 551,634.76, 760,995.54 and 471,918.64 is: 651,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,634.76 : 760,995.54 = 471,918.64 : x
  2. Step 2: Convert to fraction form
    551,634.76/760,995.54 = 471,918.64/x
  3. Step 3: Cross multiply
    551,634.76x = 760,995.54 × 471,918.64
  4. Step 4: Simplify right side
    551,634.76x = 359,127,980,282.87
  5. Step 5: Solve for x
    x = 359,127,980,282.87/551,634.76
  6. Step 6: Final answer
    x = 651,024.93

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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.