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Finding the Fourth Proportional to 480,483.43, 663,016.39 and 265,588.81

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Solution

The fourth proportional to 480,483.43, 663,016.39 and 265,588.81 is: 366,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,483.43 : 663,016.39 = 265,588.81 : x
  2. Step 2: Convert to fraction form
    480,483.43/663,016.39 = 265,588.81/x
  3. Step 3: Cross multiply
    480,483.43x = 663,016.39 × 265,588.81
  4. Step 4: Simplify right side
    480,483.43x = 176,089,734,030.60
  5. Step 5: Solve for x
    x = 176,089,734,030.60/480,483.43
  6. Step 6: Final answer
    x = 366,484.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.