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Finding the Fourth Proportional to 602,673.39, 831,634.31 and 357,615.92

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Solution

The fourth proportional to 602,673.39, 831,634.31 and 357,615.92 is: 493,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,673.39 : 831,634.31 = 357,615.92 : x
  2. Step 2: Convert to fraction form
    602,673.39/831,634.31 = 357,615.92/x
  3. Step 3: Cross multiply
    602,673.39x = 831,634.31 × 357,615.92
  4. Step 4: Simplify right side
    602,673.39x = 297,405,663,598.49
  5. Step 5: Solve for x
    x = 297,405,663,598.49/602,673.39
  6. Step 6: Final answer
    x = 493,477.34

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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.