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Finding the Fourth Proportional to 543,807.60, 750,433.59 and 302,105.37

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Solution

The fourth proportional to 543,807.60, 750,433.59 and 302,105.37 is: 416,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,807.60 : 750,433.59 = 302,105.37 : x
  2. Step 2: Convert to fraction form
    543,807.60/750,433.59 = 302,105.37/x
  3. Step 3: Cross multiply
    543,807.60x = 750,433.59 × 302,105.37
  4. Step 4: Simplify right side
    543,807.60x = 226,710,017,367.38
  5. Step 5: Solve for x
    x = 226,710,017,367.38/543,807.60
  6. Step 6: Final answer
    x = 416,893.80

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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.