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Finding the Fourth Proportional to 298,477.04, 411,888.72 and 177,590.56

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Solution

The fourth proportional to 298,477.04, 411,888.72 and 177,590.56 is: 245,069.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,477.04 : 411,888.72 = 177,590.56 : x
  2. Step 2: Convert to fraction form
    298,477.04/411,888.72 = 177,590.56/x
  3. Step 3: Cross multiply
    298,477.04x = 411,888.72 × 177,590.56
  4. Step 4: Simplify right side
    298,477.04x = 73,147,548,442.48
  5. Step 5: Solve for x
    x = 73,147,548,442.48/298,477.04
  6. Step 6: Final answer
    x = 245,069.26

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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.