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Finding the Fourth Proportional to 536,477.65, 740,336.91 and 294,759.47

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Solution

The fourth proportional to 536,477.65, 740,336.91 and 294,759.47 is: 406,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,477.65 : 740,336.91 = 294,759.47 : x
  2. Step 2: Convert to fraction form
    536,477.65/740,336.91 = 294,759.47/x
  3. Step 3: Cross multiply
    536,477.65x = 740,336.91 × 294,759.47
  4. Step 4: Simplify right side
    536,477.65x = 218,221,317,616.55
  5. Step 5: Solve for x
    x = 218,221,317,616.55/536,477.65
  6. Step 6: Final answer
    x = 406,766.84

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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.