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Finding the Fourth Proportional to 573,088.60, 859,632.90 and 440,228.35

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Solution

The fourth proportional to 573,088.60, 859,632.90 and 440,228.35 is: 660,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,088.60 : 859,632.90 = 440,228.35 : x
  2. Step 2: Convert to fraction form
    573,088.60/859,632.90 = 440,228.35/x
  3. Step 3: Cross multiply
    573,088.60x = 859,632.90 × 440,228.35
  4. Step 4: Simplify right side
    573,088.60x = 378,434,773,172.72
  5. Step 5: Solve for x
    x = 378,434,773,172.72/573,088.60
  6. Step 6: Final answer
    x = 660,342.53

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Similar ratio
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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.