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Finding the Fourth Proportional to 201,878.77, 302,818.61 and 189,547.73

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Solution

The fourth proportional to 201,878.77, 302,818.61 and 189,547.73 is: 284,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,878.77 : 302,818.61 = 189,547.73 : x
  2. Step 2: Convert to fraction form
    201,878.77/302,818.61 = 189,547.73/x
  3. Step 3: Cross multiply
    201,878.77x = 302,818.61 × 189,547.73
  4. Step 4: Simplify right side
    201,878.77x = 57,398,580,127.26
  5. Step 5: Solve for x
    x = 57,398,580,127.26/201,878.77
  6. Step 6: Final answer
    x = 284,322.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.