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Finding the Fourth Proportional to 593,886.80, 890,938.20 and 194,416.40

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Solution

The fourth proportional to 593,886.80, 890,938.20 and 194,416.40 is: 291,659.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,886.80 : 890,938.20 = 194,416.40 : x
  2. Step 2: Convert to fraction form
    593,886.80/890,938.20 = 194,416.40/x
  3. Step 3: Cross multiply
    593,886.80x = 890,938.20 × 194,416.40
  4. Step 4: Simplify right side
    593,886.80x = 173,212,997,466.48
  5. Step 5: Solve for x
    x = 173,212,997,466.48/593,886.80
  6. Step 6: Final answer
    x = 291,659.96

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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.