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Finding the Fourth Proportional to 201,678.30, 302,517.45 and 201,678.30

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Solution

The fourth proportional to 201,678.30, 302,517.45 and 201,678.30 is: 302,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,678.30 : 302,517.45 = 201,678.30 : x
  2. Step 2: Convert to fraction form
    201,678.30/302,517.45 = 201,678.30/x
  3. Step 3: Cross multiply
    201,678.30x = 302,517.45 × 201,678.30
  4. Step 4: Simplify right side
    201,678.30x = 61,011,205,036.34
  5. Step 5: Solve for x
    x = 61,011,205,036.34/201,678.30
  6. Step 6: Final answer
    x = 302,517.45

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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.