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Finding the Fourth Proportional to 581,570.46, 802,448.50 and 339,806.32

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Solution

The fourth proportional to 581,570.46, 802,448.50 and 339,806.32 is: 468,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,570.46 : 802,448.50 = 339,806.32 : x
  2. Step 2: Convert to fraction form
    581,570.46/802,448.50 = 339,806.32/x
  3. Step 3: Cross multiply
    581,570.46x = 802,448.50 × 339,806.32
  4. Step 4: Simplify right side
    581,570.46x = 272,677,071,774.52
  5. Step 5: Solve for x
    x = 272,677,071,774.52/581,570.46
  6. Step 6: Final answer
    x = 468,863.35

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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.