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Finding the Fourth Proportional to 707,047.10, 975,745.35 and 384,777.62

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Solution

The fourth proportional to 707,047.10, 975,745.35 and 384,777.62 is: 531,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,047.10 : 975,745.35 = 384,777.62 : x
  2. Step 2: Convert to fraction form
    707,047.10/975,745.35 = 384,777.62/x
  3. Step 3: Cross multiply
    707,047.10x = 975,745.35 × 384,777.62
  4. Step 4: Simplify right side
    707,047.10x = 375,444,966,696.45
  5. Step 5: Solve for x
    x = 375,444,966,696.45/707,047.10
  6. Step 6: Final answer
    x = 531,004.19

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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.