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Finding the Fourth Proportional to 528,473, 792,792.06 and 173,406.28

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Solution

The fourth proportional to 528,473, 792,792.06 and 173,406.28 is: 260,136.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,473 : 792,792.06 = 173,406.28 : x
  2. Step 2: Convert to fraction form
    528,473/792,792.06 = 173,406.28/x
  3. Step 3: Cross multiply
    528,473x = 792,792.06 × 173,406.28
  4. Step 4: Simplify right side
    528,473x = 137,475,121,938.14
  5. Step 5: Solve for x
    x = 137,475,121,938.14/528,473
  6. Step 6: Final answer
    x = 260,136.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.