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Finding the Fourth Proportional to 255,059.80, 382,574.94 and 97,304.20

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Solution

The fourth proportional to 255,059.80, 382,574.94 and 97,304.20 is: 145,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,059.80 : 382,574.94 = 97,304.20 : x
  2. Step 2: Convert to fraction form
    255,059.80/382,574.94 = 97,304.20/x
  3. Step 3: Cross multiply
    255,059.80x = 382,574.94 × 97,304.20
  4. Step 4: Simplify right side
    255,059.80x = 37,226,148,476.75
  5. Step 5: Solve for x
    x = 37,226,148,476.75/255,059.80
  6. Step 6: Final answer
    x = 145,950.67

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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.