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Finding the Fourth Proportional to 669,893.64, 924,504.66 and 383,503.56

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Solution

The fourth proportional to 669,893.64, 924,504.66 and 383,503.56 is: 529,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,893.64 : 924,504.66 = 383,503.56 : x
  2. Step 2: Convert to fraction form
    669,893.64/924,504.66 = 383,503.56/x
  3. Step 3: Cross multiply
    669,893.64x = 924,504.66 × 383,503.56
  4. Step 4: Simplify right side
    669,893.64x = 354,550,828,346.59
  5. Step 5: Solve for x
    x = 354,550,828,346.59/669,893.64
  6. Step 6: Final answer
    x = 529,264.36

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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.