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Finding the Fourth Proportional to 970,506.90, 1,455,803.55 and 330,801.30

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Solution

The fourth proportional to 970,506.90, 1,455,803.55 and 330,801.30 is: 496,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,506.90 : 1,455,803.55 = 330,801.30 : x
  2. Step 2: Convert to fraction form
    970,506.90/1,455,803.55 = 330,801.30/x
  3. Step 3: Cross multiply
    970,506.90x = 1,455,803.55 × 330,801.30
  4. Step 4: Simplify right side
    970,506.90x = 481,581,706,884.62
  5. Step 5: Solve for x
    x = 481,581,706,884.62/970,506.90
  6. Step 6: Final answer
    x = 496,216.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.