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Finding the Fourth Proportional to 483,483.51, 724,877.90 and 227,171.55

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Solution

The fourth proportional to 483,483.51, 724,877.90 and 227,171.55 is: 340,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,483.51 : 724,877.90 = 227,171.55 : x
  2. Step 2: Convert to fraction form
    483,483.51/724,877.90 = 227,171.55/x
  3. Step 3: Cross multiply
    483,483.51x = 724,877.90 × 227,171.55
  4. Step 4: Simplify right side
    483,483.51x = 164,671,634,967.89
  5. Step 5: Solve for x
    x = 164,671,634,967.89/483,483.51
  6. Step 6: Final answer
    x = 340,594.11

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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.