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Finding the Fourth Proportional to 828,297, 1,241,698.08 and 575,696.45

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Solution

The fourth proportional to 828,297, 1,241,698.08 and 575,696.45 is: 863,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,297 : 1,241,698.08 = 575,696.45 : x
  2. Step 2: Convert to fraction form
    828,297/1,241,698.08 = 575,696.45/x
  3. Step 3: Cross multiply
    828,297x = 1,241,698.08 × 575,696.45
  4. Step 4: Simplify right side
    828,297x = 714,841,170,419.33
  5. Step 5: Solve for x
    x = 714,841,170,419.33/828,297
  6. Step 6: Final answer
    x = 863,025.18

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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.