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Finding the Fourth Proportional to 413,065.08, 619,662.48 and 176,409

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Solution

The fourth proportional to 413,065.08, 619,662.48 and 176,409 is: 264,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,065.08 : 619,662.48 = 176,409 : x
  2. Step 2: Convert to fraction form
    413,065.08/619,662.48 = 176,409/x
  3. Step 3: Cross multiply
    413,065.08x = 619,662.48 × 176,409
  4. Step 4: Simplify right side
    413,065.08x = 109,314,038,434.32
  5. Step 5: Solve for x
    x = 109,314,038,434.32/413,065.08
  6. Step 6: Final answer
    x = 264,641.20

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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.