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Finding the Fourth Proportional to 319,030.88, 440,237.04 and 184,903.52

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Solution

The fourth proportional to 319,030.88, 440,237.04 and 184,903.52 is: 255,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,030.88 : 440,237.04 = 184,903.52 : x
  2. Step 2: Convert to fraction form
    319,030.88/440,237.04 = 184,903.52/x
  3. Step 3: Cross multiply
    319,030.88x = 440,237.04 × 184,903.52
  4. Step 4: Simplify right side
    319,030.88x = 81,401,378,330.38
  5. Step 5: Solve for x
    x = 81,401,378,330.38/319,030.88
  6. Step 6: Final answer
    x = 255,152.04

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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.