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Finding the Fourth Proportional to 583,447.16, 875,326.32 and 209,473.40

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Solution

The fourth proportional to 583,447.16, 875,326.32 and 209,473.40 is: 314,265.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,447.16 : 875,326.32 = 209,473.40 : x
  2. Step 2: Convert to fraction form
    583,447.16/875,326.32 = 209,473.40/x
  3. Step 3: Cross multiply
    583,447.16x = 875,326.32 × 209,473.40
  4. Step 4: Simplify right side
    583,447.16x = 183,357,580,359.89
  5. Step 5: Solve for x
    x = 183,357,580,359.89/583,447.16
  6. Step 6: Final answer
    x = 314,265.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.