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Finding the Fourth Proportional to 513,056.76, 708,216.30 and 459,246.84

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Solution

The fourth proportional to 513,056.76, 708,216.30 and 459,246.84 is: 633,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,056.76 : 708,216.30 = 459,246.84 : x
  2. Step 2: Convert to fraction form
    513,056.76/708,216.30 = 459,246.84/x
  3. Step 3: Cross multiply
    513,056.76x = 708,216.30 × 459,246.84
  4. Step 4: Simplify right side
    513,056.76x = 325,246,097,811.49
  5. Step 5: Solve for x
    x = 325,246,097,811.49/513,056.76
  6. Step 6: Final answer
    x = 633,937.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.