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Finding the Fourth Proportional to 569,675.12, 786,248.33 and 328,097.56

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Solution

The fourth proportional to 569,675.12, 786,248.33 and 328,097.56 is: 452,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,675.12 : 786,248.33 = 328,097.56 : x
  2. Step 2: Convert to fraction form
    569,675.12/786,248.33 = 328,097.56/x
  3. Step 3: Cross multiply
    569,675.12x = 786,248.33 × 328,097.56
  4. Step 4: Simplify right side
    569,675.12x = 257,966,154,695.83
  5. Step 5: Solve for x
    x = 257,966,154,695.83/569,675.12
  6. Step 6: Final answer
    x = 452,830.30

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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.