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Finding the Fourth Proportional to 584,955.60, 877,433.40 and 395,998.80

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Solution

The fourth proportional to 584,955.60, 877,433.40 and 395,998.80 is: 593,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,955.60 : 877,433.40 = 395,998.80 : x
  2. Step 2: Convert to fraction form
    584,955.60/877,433.40 = 395,998.80/x
  3. Step 3: Cross multiply
    584,955.60x = 877,433.40 × 395,998.80
  4. Step 4: Simplify right side
    584,955.60x = 347,462,573,479.92
  5. Step 5: Solve for x
    x = 347,462,573,479.92/584,955.60
  6. Step 6: Final answer
    x = 593,998.20

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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.