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Finding the Fourth Proportional to 471,676.94, 650,925.84 and 256,828.76

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Solution

The fourth proportional to 471,676.94, 650,925.84 and 256,828.76 is: 354,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,676.94 : 650,925.84 = 256,828.76 : x
  2. Step 2: Convert to fraction form
    471,676.94/650,925.84 = 256,828.76/x
  3. Step 3: Cross multiply
    471,676.94x = 650,925.84 × 256,828.76
  4. Step 4: Simplify right side
    471,676.94x = 167,176,476,339.16
  5. Step 5: Solve for x
    x = 167,176,476,339.16/471,676.94
  6. Step 6: Final answer
    x = 354,430.04

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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.