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Finding the Fourth Proportional to 262,230.65, 361,784.99 and 154,746.89

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Solution

The fourth proportional to 262,230.65, 361,784.99 and 154,746.89 is: 213,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,230.65 : 361,784.99 = 154,746.89 : x
  2. Step 2: Convert to fraction form
    262,230.65/361,784.99 = 154,746.89/x
  3. Step 3: Cross multiply
    262,230.65x = 361,784.99 × 154,746.89
  4. Step 4: Simplify right side
    262,230.65x = 55,985,101,277.45
  5. Step 5: Solve for x
    x = 55,985,101,277.45/262,230.65
  6. Step 6: Final answer
    x = 213,495.64

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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.