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Finding the Fourth Proportional to 536,915.84, 740,167.80 and 355,323.56

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Solution

The fourth proportional to 536,915.84, 740,167.80 and 355,323.56 is: 489,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,915.84 : 740,167.80 = 355,323.56 : x
  2. Step 2: Convert to fraction form
    536,915.84/740,167.80 = 355,323.56/x
  3. Step 3: Cross multiply
    536,915.84x = 740,167.80 × 355,323.56
  4. Step 4: Simplify right side
    536,915.84x = 262,999,057,693.37
  5. Step 5: Solve for x
    x = 262,999,057,693.37/536,915.84
  6. Step 6: Final answer
    x = 489,832.93

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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.