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Finding the Fourth Proportional to 326,404.47, 450,482.94 and 183,172.98

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Solution

The fourth proportional to 326,404.47, 450,482.94 and 183,172.98 is: 252,803.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,404.47 : 450,482.94 = 183,172.98 : x
  2. Step 2: Convert to fraction form
    326,404.47/450,482.94 = 183,172.98/x
  3. Step 3: Cross multiply
    326,404.47x = 450,482.94 × 183,172.98
  4. Step 4: Simplify right side
    326,404.47x = 82,516,302,558.96
  5. Step 5: Solve for x
    x = 82,516,302,558.96/326,404.47
  6. Step 6: Final answer
    x = 252,803.84

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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.