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Finding the Fourth Proportional to 593,803.80, 890,705.70 and 144,521.10

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Solution

The fourth proportional to 593,803.80, 890,705.70 and 144,521.10 is: 216,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,803.80 : 890,705.70 = 144,521.10 : x
  2. Step 2: Convert to fraction form
    593,803.80/890,705.70 = 144,521.10/x
  3. Step 3: Cross multiply
    593,803.80x = 890,705.70 × 144,521.10
  4. Step 4: Simplify right side
    593,803.80x = 128,725,767,540.27
  5. Step 5: Solve for x
    x = 128,725,767,540.27/593,803.80
  6. Step 6: Final answer
    x = 216,781.65

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Half scale
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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.