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Finding the Fourth Proportional to 210,485.76, 314,193.18 and 183,913.44

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Solution

The fourth proportional to 210,485.76, 314,193.18 and 183,913.44 is: 274,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,485.76 : 314,193.18 = 183,913.44 : x
  2. Step 2: Convert to fraction form
    210,485.76/314,193.18 = 183,913.44/x
  3. Step 3: Cross multiply
    210,485.76x = 314,193.18 × 183,913.44
  4. Step 4: Simplify right side
    210,485.76x = 57,784,348,558.34
  5. Step 5: Solve for x
    x = 57,784,348,558.34/210,485.76
  6. Step 6: Final answer
    x = 274,528.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.