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Finding the Fourth Proportional to 471,275.15, 650,373.40 and 256,429.02

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Solution

The fourth proportional to 471,275.15, 650,373.40 and 256,429.02 is: 353,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,275.15 : 650,373.40 = 256,429.02 : x
  2. Step 2: Convert to fraction form
    471,275.15/650,373.40 = 256,429.02/x
  3. Step 3: Cross multiply
    471,275.15x = 650,373.40 × 256,429.02
  4. Step 4: Simplify right side
    471,275.15x = 166,774,616,355.51
  5. Step 5: Solve for x
    x = 166,774,616,355.51/471,275.15
  6. Step 6: Final answer
    x = 353,879.51

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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.