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Finding the Fourth Proportional to 403,391.84, 604,894.75 and 234,960.21

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Solution

The fourth proportional to 403,391.84, 604,894.75 and 234,960.21 is: 352,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,391.84 : 604,894.75 = 234,960.21 : x
  2. Step 2: Convert to fraction form
    403,391.84/604,894.75 = 234,960.21/x
  3. Step 3: Cross multiply
    403,391.84x = 604,894.75 × 234,960.21
  4. Step 4: Simplify right side
    403,391.84x = 142,126,196,900.50
  5. Step 5: Solve for x
    x = 142,126,196,900.50/403,391.84
  6. Step 6: Final answer
    x = 352,327.90

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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.