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Finding the Fourth Proportional to 569,840.97, 786,536.01 and 354,854.01

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Solution

The fourth proportional to 569,840.97, 786,536.01 and 354,854.01 is: 489,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,840.97 : 786,536.01 = 354,854.01 : x
  2. Step 2: Convert to fraction form
    569,840.97/786,536.01 = 354,854.01/x
  3. Step 3: Cross multiply
    569,840.97x = 786,536.01 × 354,854.01
  4. Step 4: Simplify right side
    569,840.97x = 279,105,457,157.90
  5. Step 5: Solve for x
    x = 279,105,457,157.90/569,840.97
  6. Step 6: Final answer
    x = 489,795.35

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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.