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Finding the Fourth Proportional to 630,867.12, 946,068.12 and 496,194.72

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Solution

The fourth proportional to 630,867.12, 946,068.12 and 496,194.72 is: 744,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,867.12 : 946,068.12 = 496,194.72 : x
  2. Step 2: Convert to fraction form
    630,867.12/946,068.12 = 496,194.72/x
  3. Step 3: Cross multiply
    630,867.12x = 946,068.12 × 496,194.72
  4. Step 4: Simplify right side
    630,867.12x = 469,434,005,904.33
  5. Step 5: Solve for x
    x = 469,434,005,904.33/630,867.12
  6. Step 6: Final answer
    x = 744,109.17

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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.