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Finding the Fourth Proportional to 593,136.60, 889,704.90 and 493,409.40

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Solution

The fourth proportional to 593,136.60, 889,704.90 and 493,409.40 is: 740,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,136.60 : 889,704.90 = 493,409.40 : x
  2. Step 2: Convert to fraction form
    593,136.60/889,704.90 = 493,409.40/x
  3. Step 3: Cross multiply
    593,136.60x = 889,704.90 × 493,409.40
  4. Step 4: Simplify right side
    593,136.60x = 438,988,760,886.06
  5. Step 5: Solve for x
    x = 438,988,760,886.06/593,136.60
  6. Step 6: Final answer
    x = 740,114.10

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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.