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Finding the Fourth Proportional to 593,899.80, 890,957.70 and 194,429.40

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Solution

The fourth proportional to 593,899.80, 890,957.70 and 194,429.40 is: 291,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,899.80 : 890,957.70 = 194,429.40 : x
  2. Step 2: Convert to fraction form
    593,899.80/890,957.70 = 194,429.40/x
  3. Step 3: Cross multiply
    593,899.80x = 890,957.70 × 194,429.40
  4. Step 4: Simplify right side
    593,899.80x = 173,228,371,036.38
  5. Step 5: Solve for x
    x = 173,228,371,036.38/593,899.80
  6. Step 6: Final answer
    x = 291,679.46

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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.