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Finding the Fourth Proportional to 584,976.30, 877,353.49 and 285,155.34

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Solution

The fourth proportional to 584,976.30, 877,353.49 and 285,155.34 is: 427,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,976.30 : 877,353.49 = 285,155.34 : x
  2. Step 2: Convert to fraction form
    584,976.30/877,353.49 = 285,155.34/x
  3. Step 3: Cross multiply
    584,976.30x = 877,353.49 × 285,155.34
  4. Step 4: Simplify right side
    584,976.30x = 250,182,036,007.18
  5. Step 5: Solve for x
    x = 250,182,036,007.18/584,976.30
  6. Step 6: Final answer
    x = 427,678.92

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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.