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Finding the Fourth Proportional to 590,486.82, 815,263.98 and 454,280.46

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Solution

The fourth proportional to 590,486.82, 815,263.98 and 454,280.46 is: 627,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,486.82 : 815,263.98 = 454,280.46 : x
  2. Step 2: Convert to fraction form
    590,486.82/815,263.98 = 454,280.46/x
  3. Step 3: Cross multiply
    590,486.82x = 815,263.98 × 454,280.46
  4. Step 4: Simplify right side
    590,486.82x = 370,358,495,855.83
  5. Step 5: Solve for x
    x = 370,358,495,855.83/590,486.82
  6. Step 6: Final answer
    x = 627,208.74

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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.