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Finding the Fourth Proportional to 324,666.04, 447,908.13 and 215,823.01

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Solution

The fourth proportional to 324,666.04, 447,908.13 and 215,823.01 is: 297,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,666.04 : 447,908.13 = 215,823.01 : x
  2. Step 2: Convert to fraction form
    324,666.04/447,908.13 = 215,823.01/x
  3. Step 3: Cross multiply
    324,666.04x = 447,908.13 × 215,823.01
  4. Step 4: Simplify right side
    324,666.04x = 96,668,880,820.07
  5. Step 5: Solve for x
    x = 96,668,880,820.07/324,666.04
  6. Step 6: Final answer
    x = 297,748.67

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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.