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Finding the Fourth Proportional to 525,295.84, 788,068.50 and 170,310.10

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Solution

The fourth proportional to 525,295.84, 788,068.50 and 170,310.10 is: 255,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,295.84 : 788,068.50 = 170,310.10 : x
  2. Step 2: Convert to fraction form
    525,295.84/788,068.50 = 170,310.10/x
  3. Step 3: Cross multiply
    525,295.84x = 788,068.50 × 170,310.10
  4. Step 4: Simplify right side
    525,295.84x = 134,216,025,041.85
  5. Step 5: Solve for x
    x = 134,216,025,041.85/525,295.84
  6. Step 6: Final answer
    x = 255,505.59

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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.