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Finding the Fourth Proportional to 333,928.64, 460,891.06 and 307,028.54

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Solution

The fourth proportional to 333,928.64, 460,891.06 and 307,028.54 is: 423,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,928.64 : 460,891.06 = 307,028.54 : x
  2. Step 2: Convert to fraction form
    333,928.64/460,891.06 = 307,028.54/x
  3. Step 3: Cross multiply
    333,928.64x = 460,891.06 × 307,028.54
  4. Step 4: Simplify right side
    333,928.64x = 141,506,709,250.85
  5. Step 5: Solve for x
    x = 141,506,709,250.85/333,928.64
  6. Step 6: Final answer
    x = 423,763.32

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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.