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Finding the Fourth Proportional to 445,484.34, 614,173.66 and 353,907.50

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Solution

The fourth proportional to 445,484.34, 614,173.66 and 353,907.50 is: 487,919.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,484.34 : 614,173.66 = 353,907.50 : x
  2. Step 2: Convert to fraction form
    445,484.34/614,173.66 = 353,907.50/x
  3. Step 3: Cross multiply
    445,484.34x = 614,173.66 × 353,907.50
  4. Step 4: Simplify right side
    445,484.34x = 217,360,660,620.81
  5. Step 5: Solve for x
    x = 217,360,660,620.81/445,484.34
  6. Step 6: Final answer
    x = 487,919.87

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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.