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Finding the Fourth Proportional to 669,352.64, 923,714.58 and 363,432.68

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Solution

The fourth proportional to 669,352.64, 923,714.58 and 363,432.68 is: 501,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,352.64 : 923,714.58 = 363,432.68 : x
  2. Step 2: Convert to fraction form
    669,352.64/923,714.58 = 363,432.68/x
  3. Step 3: Cross multiply
    669,352.64x = 923,714.58 × 363,432.68
  4. Step 4: Simplify right side
    669,352.64x = 335,708,065,364.47
  5. Step 5: Solve for x
    x = 335,708,065,364.47/669,352.64
  6. Step 6: Final answer
    x = 501,541.41

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Double scale
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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.