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Finding the Fourth Proportional to 496,647.69, 685,376.88 and 270,295.53

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Solution

The fourth proportional to 496,647.69, 685,376.88 and 270,295.53 is: 373,009.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,647.69 : 685,376.88 = 270,295.53 : x
  2. Step 2: Convert to fraction form
    496,647.69/685,376.88 = 270,295.53/x
  3. Step 3: Cross multiply
    496,647.69x = 685,376.88 × 270,295.53
  4. Step 4: Simplify right side
    496,647.69x = 185,254,307,029.35
  5. Step 5: Solve for x
    x = 185,254,307,029.35/496,647.69
  6. Step 6: Final answer
    x = 373,009.50

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1.5x scale

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.