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Finding the Fourth Proportional to 707,117.92, 975,804.01 and 384,821.08

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Solution

The fourth proportional to 707,117.92, 975,804.01 and 384,821.08 is: 531,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,117.92 : 975,804.01 = 384,821.08 : x
  2. Step 2: Convert to fraction form
    707,117.92/975,804.01 = 384,821.08/x
  3. Step 3: Cross multiply
    707,117.92x = 975,804.01 × 384,821.08
  4. Step 4: Simplify right side
    707,117.92x = 375,509,949,594.97
  5. Step 5: Solve for x
    x = 375,509,949,594.97/707,117.92
  6. Step 6: Final answer
    x = 531,042.90

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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.