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Finding the Fourth Proportional to 593,122.60, 889,683.90 and 219,068.20

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Solution

The fourth proportional to 593,122.60, 889,683.90 and 219,068.20 is: 328,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,122.60 : 889,683.90 = 219,068.20 : x
  2. Step 2: Convert to fraction form
    593,122.60/889,683.90 = 219,068.20/x
  3. Step 3: Cross multiply
    593,122.60x = 889,683.90 × 219,068.20
  4. Step 4: Simplify right side
    593,122.60x = 194,901,450,541.98
  5. Step 5: Solve for x
    x = 194,901,450,541.98/593,122.60
  6. Step 6: Final answer
    x = 328,602.30

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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.