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Finding the Fourth Proportional to 707,043.16, 975,740.09 and 384,774.04

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Solution

The fourth proportional to 707,043.16, 975,740.09 and 384,774.04 is: 530,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,043.16 : 975,740.09 = 384,774.04 : x
  2. Step 2: Convert to fraction form
    707,043.16/975,740.09 = 384,774.04/x
  3. Step 3: Cross multiply
    707,043.16x = 975,740.09 × 384,774.04
  4. Step 4: Simplify right side
    707,043.16x = 375,439,456,419.26
  5. Step 5: Solve for x
    x = 375,439,456,419.26/707,043.16
  6. Step 6: Final answer
    x = 530,999.35

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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.