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Finding the Fourth Proportional to 447,417.48, 671,126.36 and 368,365.67

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Solution

The fourth proportional to 447,417.48, 671,126.36 and 368,365.67 is: 552,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,417.48 : 671,126.36 = 368,365.67 : x
  2. Step 2: Convert to fraction form
    447,417.48/671,126.36 = 368,365.67/x
  3. Step 3: Cross multiply
    447,417.48x = 671,126.36 × 368,365.67
  4. Step 4: Simplify right side
    447,417.48x = 247,219,906,058.60
  5. Step 5: Solve for x
    x = 247,219,906,058.60/447,417.48
  6. Step 6: Final answer
    x = 552,548.61

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Double scale
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Similar ratio
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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.