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Finding the Fourth Proportional to 326,353.05, 450,368.51 and 183,103.74

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Solution

The fourth proportional to 326,353.05, 450,368.51 and 183,103.74 is: 252,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,353.05 : 450,368.51 = 183,103.74 : x
  2. Step 2: Convert to fraction form
    326,353.05/450,368.51 = 183,103.74/x
  3. Step 3: Cross multiply
    326,353.05x = 450,368.51 × 183,103.74
  4. Step 4: Simplify right side
    326,353.05x = 82,464,157,643.71
  5. Step 5: Solve for x
    x = 82,464,157,643.71/326,353.05
  6. Step 6: Final answer
    x = 252,683.89

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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.