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Finding the Fourth Proportional to 270,368.15, 405,795.98 and 144,113.55

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Solution

The fourth proportional to 270,368.15, 405,795.98 and 144,113.55 is: 216,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,368.15 : 405,795.98 = 144,113.55 : x
  2. Step 2: Convert to fraction form
    270,368.15/405,795.98 = 144,113.55/x
  3. Step 3: Cross multiply
    270,368.15x = 405,795.98 × 144,113.55
  4. Step 4: Simplify right side
    270,368.15x = 58,480,698,092.08
  5. Step 5: Solve for x
    x = 58,480,698,092.08/270,368.15
  6. Step 6: Final answer
    x = 216,300.25

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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.