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Finding the Fourth Proportional to 707,113.97, 975,798.58 and 384,817.15

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Solution

The fourth proportional to 707,113.97, 975,798.58 and 384,817.15 is: 531,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,113.97 : 975,798.58 = 384,817.15 : x
  2. Step 2: Convert to fraction form
    707,113.97/975,798.58 = 384,817.15/x
  3. Step 3: Cross multiply
    707,113.97x = 975,798.58 × 384,817.15
  4. Step 4: Simplify right side
    707,113.97x = 375,504,024,020.00
  5. Step 5: Solve for x
    x = 375,504,024,020.00/707,113.97
  6. Step 6: Final answer
    x = 531,037.49

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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.