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Finding the Fourth Proportional to 253,526.28, 349,763.73 and 146,038.74

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Solution

The fourth proportional to 253,526.28, 349,763.73 and 146,038.74 is: 201,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,526.28 : 349,763.73 = 146,038.74 : x
  2. Step 2: Convert to fraction form
    253,526.28/349,763.73 = 146,038.74/x
  3. Step 3: Cross multiply
    253,526.28x = 349,763.73 × 146,038.74
  4. Step 4: Simplify right side
    253,526.28x = 51,079,054,426.90
  5. Step 5: Solve for x
    x = 51,079,054,426.90/253,526.28
  6. Step 6: Final answer
    x = 201,474.40

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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.