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Finding the Fourth Proportional to 443,698.57, 612,429.45 and 262,473.53

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Solution

The fourth proportional to 443,698.57, 612,429.45 and 262,473.53 is: 362,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,698.57 : 612,429.45 = 262,473.53 : x
  2. Step 2: Convert to fraction form
    443,698.57/612,429.45 = 262,473.53/x
  3. Step 3: Cross multiply
    443,698.57x = 612,429.45 × 262,473.53
  4. Step 4: Simplify right side
    443,698.57x = 160,746,519,617.46
  5. Step 5: Solve for x
    x = 160,746,519,617.46/443,698.57
  6. Step 6: Final answer
    x = 362,287.67

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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.