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Finding the Fourth Proportional to 669,041.60, 924,043.66 and 440,619.96

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Solution

The fourth proportional to 669,041.60, 924,043.66 and 440,619.96 is: 608,560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,041.60 : 924,043.66 = 440,619.96 : x
  2. Step 2: Convert to fraction form
    669,041.60/924,043.66 = 440,619.96/x
  3. Step 3: Cross multiply
    669,041.60x = 924,043.66 × 440,619.96
  4. Step 4: Simplify right side
    669,041.60x = 407,152,080,507.45
  5. Step 5: Solve for x
    x = 407,152,080,507.45/669,041.60
  6. Step 6: Final answer
    x = 608,560.19

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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.