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Finding the Fourth Proportional to 630,858.75, 946,288.17 and 503,904.60

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Solution

The fourth proportional to 630,858.75, 946,288.17 and 503,904.60 is: 755,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,858.75 : 946,288.17 = 503,904.60 : x
  2. Step 2: Convert to fraction form
    630,858.75/946,288.17 = 503,904.60/x
  3. Step 3: Cross multiply
    630,858.75x = 946,288.17 × 503,904.60
  4. Step 4: Simplify right side
    630,858.75x = 476,838,961,788.58
  5. Step 5: Solve for x
    x = 476,838,961,788.58/630,858.75
  6. Step 6: Final answer
    x = 755,856.93

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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.