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Finding the Fourth Proportional to 622,532.16, 859,097.88 and 354,260.16

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Solution

The fourth proportional to 622,532.16, 859,097.88 and 354,260.16 is: 488,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,532.16 : 859,097.88 = 354,260.16 : x
  2. Step 2: Convert to fraction form
    622,532.16/859,097.88 = 354,260.16/x
  3. Step 3: Cross multiply
    622,532.16x = 859,097.88 × 354,260.16
  4. Step 4: Simplify right side
    622,532.16x = 304,344,152,424.46
  5. Step 5: Solve for x
    x = 304,344,152,424.46/622,532.16
  6. Step 6: Final answer
    x = 488,881.01

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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.