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Finding the Fourth Proportional to 433,328.40, 648,630.28 and 297,597.71

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Solution

The fourth proportional to 433,328.40, 648,630.28 and 297,597.71 is: 445,460.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,328.40 : 648,630.28 = 297,597.71 : x
  2. Step 2: Convert to fraction form
    433,328.40/648,630.28 = 297,597.71/x
  3. Step 3: Cross multiply
    433,328.40x = 648,630.28 × 297,597.71
  4. Step 4: Simplify right side
    433,328.40x = 193,030,887,958.23
  5. Step 5: Solve for x
    x = 193,030,887,958.23/433,328.40
  6. Step 6: Final answer
    x = 445,460.97

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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.