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Finding the Fourth Proportional to 528,270.60, 792,114.30 and 173,101.80

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Solution

The fourth proportional to 528,270.60, 792,114.30 and 173,101.80 is: 259,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,270.60 : 792,114.30 = 173,101.80 : x
  2. Step 2: Convert to fraction form
    528,270.60/792,114.30 = 173,101.80/x
  3. Step 3: Cross multiply
    528,270.60x = 792,114.30 × 173,101.80
  4. Step 4: Simplify right side
    528,270.60x = 137,116,411,135.74
  5. Step 5: Solve for x
    x = 137,116,411,135.74/528,270.60
  6. Step 6: Final answer
    x = 259,557.15

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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.