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Finding the Fourth Proportional to 201,549.48, 302,283.74 and 191,557.80

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Solution

The fourth proportional to 201,549.48, 302,283.74 and 191,557.80 is: 287,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,549.48 : 302,283.74 = 191,557.80 : x
  2. Step 2: Convert to fraction form
    201,549.48/302,283.74 = 191,557.80/x
  3. Step 3: Cross multiply
    201,549.48x = 302,283.74 × 191,557.80
  4. Step 4: Simplify right side
    201,549.48x = 57,904,808,210.17
  5. Step 5: Solve for x
    x = 57,904,808,210.17/201,549.48
  6. Step 6: Final answer
    x = 287,298.23

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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.