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Finding the Fourth Proportional to 602,169.94, 831,031.30 and 347,537.52

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Solution

The fourth proportional to 602,169.94, 831,031.30 and 347,537.52 is: 479,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,169.94 : 831,031.30 = 347,537.52 : x
  2. Step 2: Convert to fraction form
    602,169.94/831,031.30 = 347,537.52/x
  3. Step 3: Cross multiply
    602,169.94x = 831,031.30 × 347,537.52
  4. Step 4: Simplify right side
    602,169.94x = 288,814,557,044.38
  5. Step 5: Solve for x
    x = 288,814,557,044.38/602,169.94
  6. Step 6: Final answer
    x = 479,623.01

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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.