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Finding the Fourth Proportional to 593,999.80, 890,999.70 and 369,613.60

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Solution

The fourth proportional to 593,999.80, 890,999.70 and 369,613.60 is: 554,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,999.80 : 890,999.70 = 369,613.60 : x
  2. Step 2: Convert to fraction form
    593,999.80/890,999.70 = 369,613.60/x
  3. Step 3: Cross multiply
    593,999.80x = 890,999.70 × 369,613.60
  4. Step 4: Simplify right side
    593,999.80x = 329,325,606,715.92
  5. Step 5: Solve for x
    x = 329,325,606,715.92/593,999.80
  6. Step 6: Final answer
    x = 554,420.40

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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.