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Finding the Fourth Proportional to 707,114.62, 975,139.79 and 475,065.84

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Solution

The fourth proportional to 707,114.62, 975,139.79 and 475,065.84 is: 655,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,114.62 : 975,139.79 = 475,065.84 : x
  2. Step 2: Convert to fraction form
    707,114.62/975,139.79 = 475,065.84/x
  3. Step 3: Cross multiply
    707,114.62x = 975,139.79 × 475,065.84
  4. Step 4: Simplify right side
    707,114.62x = 463,255,597,843.60
  5. Step 5: Solve for x
    x = 463,255,597,843.60/707,114.62
  6. Step 6: Final answer
    x = 655,135.08

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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.