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Finding the Fourth Proportional to 904,604.81, 1,363,409.40 and 779,751.93

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Solution

The fourth proportional to 904,604.81, 1,363,409.40 and 779,751.93 is: 1,175,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,604.81 : 1,363,409.40 = 779,751.93 : x
  2. Step 2: Convert to fraction form
    904,604.81/1,363,409.40 = 779,751.93/x
  3. Step 3: Cross multiply
    904,604.81x = 1,363,409.40 × 779,751.93
  4. Step 4: Simplify right side
    904,604.81x = 1,063,121,114,680.89
  5. Step 5: Solve for x
    x = 1,063,121,114,680.89/904,604.81
  6. Step 6: Final answer
    x = 1,175,232.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.