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Finding the Fourth Proportional to 554,609.60, 832,258.80 and 355,073.20

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Solution

The fourth proportional to 554,609.60, 832,258.80 and 355,073.20 is: 532,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,609.60 : 832,258.80 = 355,073.20 : x
  2. Step 2: Convert to fraction form
    554,609.60/832,258.80 = 355,073.20/x
  3. Step 3: Cross multiply
    554,609.60x = 832,258.80 × 355,073.20
  4. Step 4: Simplify right side
    554,609.60x = 295,512,795,344.16
  5. Step 5: Solve for x
    x = 295,512,795,344.16/554,609.60
  6. Step 6: Final answer
    x = 532,830.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.