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Finding the Fourth Proportional to 569,368.53, 853,762.32 and 190,152.66

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Solution

The fourth proportional to 569,368.53, 853,762.32 and 190,152.66 is: 285,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,368.53 : 853,762.32 = 190,152.66 : x
  2. Step 2: Convert to fraction form
    569,368.53/853,762.32 = 190,152.66/x
  3. Step 3: Cross multiply
    569,368.53x = 853,762.32 × 190,152.66
  4. Step 4: Simplify right side
    569,368.53x = 162,345,176,155.77
  5. Step 5: Solve for x
    x = 162,345,176,155.77/569,368.53
  6. Step 6: Final answer
    x = 285,131.98

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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.