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Finding the Fourth Proportional to 464,470.06, 640,994.04 and 260,585.56

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Solution

The fourth proportional to 464,470.06, 640,994.04 and 260,585.56 is: 359,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,470.06 : 640,994.04 = 260,585.56 : x
  2. Step 2: Convert to fraction form
    464,470.06/640,994.04 = 260,585.56/x
  3. Step 3: Cross multiply
    464,470.06x = 640,994.04 × 260,585.56
  4. Step 4: Simplify right side
    464,470.06x = 167,033,790,870.06
  5. Step 5: Solve for x
    x = 167,033,790,870.06/464,470.06
  6. Step 6: Final answer
    x = 359,622.30

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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.