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Finding the Fourth Proportional to 525,785.80, 788,678.70 and 464,960.20

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Solution

The fourth proportional to 525,785.80, 788,678.70 and 464,960.20 is: 697,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,785.80 : 788,678.70 = 464,960.20 : x
  2. Step 2: Convert to fraction form
    525,785.80/788,678.70 = 464,960.20/x
  3. Step 3: Cross multiply
    525,785.80x = 788,678.70 × 464,960.20
  4. Step 4: Simplify right side
    525,785.80x = 366,704,206,087.74
  5. Step 5: Solve for x
    x = 366,704,206,087.74/525,785.80
  6. Step 6: Final answer
    x = 697,440.30

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Similar ratio
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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.