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Finding the Fourth Proportional to 317,156.04, 437,681.34 and 173,907.54

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Solution

The fourth proportional to 317,156.04, 437,681.34 and 173,907.54 is: 239,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,156.04 : 437,681.34 = 173,907.54 : x
  2. Step 2: Convert to fraction form
    317,156.04/437,681.34 = 173,907.54/x
  3. Step 3: Cross multiply
    317,156.04x = 437,681.34 × 173,907.54
  4. Step 4: Simplify right side
    317,156.04x = 76,116,085,143.30
  5. Step 5: Solve for x
    x = 76,116,085,143.30/317,156.04
  6. Step 6: Final answer
    x = 239,995.70

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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.