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Finding the Fourth Proportional to 464,888.16, 641,474.64 and 260,949.60

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Solution

The fourth proportional to 464,888.16, 641,474.64 and 260,949.60 is: 360,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,888.16 : 641,474.64 = 260,949.60 : x
  2. Step 2: Convert to fraction form
    464,888.16/641,474.64 = 260,949.60/x
  3. Step 3: Cross multiply
    464,888.16x = 641,474.64 × 260,949.60
  4. Step 4: Simplify right side
    464,888.16x = 167,392,550,718.14
  5. Step 5: Solve for x
    x = 167,392,550,718.14/464,888.16
  6. Step 6: Final answer
    x = 360,070.58

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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.