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Finding the Fourth Proportional to 584,731.80, 877,097.70 and 285,404.40

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Solution

The fourth proportional to 584,731.80, 877,097.70 and 285,404.40 is: 428,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,731.80 : 877,097.70 = 285,404.40 : x
  2. Step 2: Convert to fraction form
    584,731.80/877,097.70 = 285,404.40/x
  3. Step 3: Cross multiply
    584,731.80x = 877,097.70 × 285,404.40
  4. Step 4: Simplify right side
    584,731.80x = 250,327,542,809.88
  5. Step 5: Solve for x
    x = 250,327,542,809.88/584,731.80
  6. Step 6: Final answer
    x = 428,106.60

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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.