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Finding the Fourth Proportional to 454,383.40, 634,892.60 and 454,383.40

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Solution

The fourth proportional to 454,383.40, 634,892.60 and 454,383.40 is: 634,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,383.40 : 634,892.60 = 454,383.40 : x
  2. Step 2: Convert to fraction form
    454,383.40/634,892.60 = 454,383.40/x
  3. Step 3: Cross multiply
    454,383.40x = 634,892.60 × 454,383.40
  4. Step 4: Simplify right side
    454,383.40x = 288,484,658,222.84
  5. Step 5: Solve for x
    x = 288,484,658,222.84/454,383.40
  6. Step 6: Final answer
    x = 634,892.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.