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Finding the Fourth Proportional to 564,186.63, 778,373.22 and 370,698.55

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Solution

The fourth proportional to 564,186.63, 778,373.22 and 370,698.55 is: 511,429.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,186.63 : 778,373.22 = 370,698.55 : x
  2. Step 2: Convert to fraction form
    564,186.63/778,373.22 = 370,698.55/x
  3. Step 3: Cross multiply
    564,186.63x = 778,373.22 × 370,698.55
  4. Step 4: Simplify right side
    564,186.63x = 288,541,824,012.83
  5. Step 5: Solve for x
    x = 288,541,824,012.83/564,186.63
  6. Step 6: Final answer
    x = 511,429.74

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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.