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Finding the Fourth Proportional to 219,597.84, 302,877.60 and 189,022.80

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Solution

The fourth proportional to 219,597.84, 302,877.60 and 189,022.80 is: 260,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,597.84 : 302,877.60 = 189,022.80 : x
  2. Step 2: Convert to fraction form
    219,597.84/302,877.60 = 189,022.80/x
  3. Step 3: Cross multiply
    219,597.84x = 302,877.60 × 189,022.80
  4. Step 4: Simplify right side
    219,597.84x = 57,250,772,009.28
  5. Step 5: Solve for x
    x = 57,250,772,009.28/219,597.84
  6. Step 6: Final answer
    x = 260,707.35

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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.