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Finding the Fourth Proportional to 575,156.32, 793,489.44 and 384,294.40

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Solution

The fourth proportional to 575,156.32, 793,489.44 and 384,294.40 is: 530,175.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,156.32 : 793,489.44 = 384,294.40 : x
  2. Step 2: Convert to fraction form
    575,156.32/793,489.44 = 384,294.40/x
  3. Step 3: Cross multiply
    575,156.32x = 793,489.44 × 384,294.40
  4. Step 4: Simplify right side
    575,156.32x = 304,933,548,251.14
  5. Step 5: Solve for x
    x = 304,933,548,251.14/575,156.32
  6. Step 6: Final answer
    x = 530,175.08

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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.