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Finding the Fourth Proportional to 360,228.88, 540,263.69 and 104,005.79

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Solution

The fourth proportional to 360,228.88, 540,263.69 and 104,005.79 is: 155,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,228.88 : 540,263.69 = 104,005.79 : x
  2. Step 2: Convert to fraction form
    360,228.88/540,263.69 = 104,005.79/x
  3. Step 3: Cross multiply
    360,228.88x = 540,263.69 × 104,005.79
  4. Step 4: Simplify right side
    360,228.88x = 56,190,551,886.77
  5. Step 5: Solve for x
    x = 56,190,551,886.77/360,228.88
  6. Step 6: Final answer
    x = 155,985.69

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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.