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Finding the Fourth Proportional to 442,556.40, 610,718.64 and 241,352.40

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Solution

The fourth proportional to 442,556.40, 610,718.64 and 241,352.40 is: 333,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,556.40 : 610,718.64 = 241,352.40 : x
  2. Step 2: Convert to fraction form
    442,556.40/610,718.64 = 241,352.40/x
  3. Step 3: Cross multiply
    442,556.40x = 610,718.64 × 241,352.40
  4. Step 4: Simplify right side
    442,556.40x = 147,398,409,488.74
  5. Step 5: Solve for x
    x = 147,398,409,488.74/442,556.40
  6. Step 6: Final answer
    x = 333,061.30

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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.