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Finding the Fourth Proportional to 569,904.82, 786,400.29 and 328,266.01

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Solution

The fourth proportional to 569,904.82, 786,400.29 and 328,266.01 is: 452,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,904.82 : 786,400.29 = 328,266.01 : x
  2. Step 2: Convert to fraction form
    569,904.82/786,400.29 = 328,266.01/x
  3. Step 3: Cross multiply
    569,904.82x = 786,400.29 × 328,266.01
  4. Step 4: Simplify right side
    569,904.82x = 258,148,485,461.14
  5. Step 5: Solve for x
    x = 258,148,485,461.14/569,904.82
  6. Step 6: Final answer
    x = 452,967.72

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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.