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Finding the Fourth Proportional to 593,142.80, 889,714.20 and 565,586.60

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Solution

The fourth proportional to 593,142.80, 889,714.20 and 565,586.60 is: 848,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,142.80 : 889,714.20 = 565,586.60 : x
  2. Step 2: Convert to fraction form
    593,142.80/889,714.20 = 565,586.60/x
  3. Step 3: Cross multiply
    593,142.80x = 889,714.20 × 565,586.60
  4. Step 4: Simplify right side
    593,142.80x = 503,210,429,349.72
  5. Step 5: Solve for x
    x = 503,210,429,349.72/593,142.80
  6. Step 6: Final answer
    x = 848,379.90

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Double scale
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Similar ratio
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1.5x scale

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.