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Finding the Fourth Proportional to 608,527.84, 839,666.64 and 353,889.76

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Solution

The fourth proportional to 608,527.84, 839,666.64 and 353,889.76 is: 488,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,527.84 : 839,666.64 = 353,889.76 : x
  2. Step 2: Convert to fraction form
    608,527.84/839,666.64 = 353,889.76/x
  3. Step 3: Cross multiply
    608,527.84x = 839,666.64 × 353,889.76
  4. Step 4: Simplify right side
    608,527.84x = 297,149,425,709.61
  5. Step 5: Solve for x
    x = 297,149,425,709.61/608,527.84
  6. Step 6: Final answer
    x = 488,308.68

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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.