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Finding the Fourth Proportional to 270,290.94, 373,060.71 and 157,178.94

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Solution

The fourth proportional to 270,290.94, 373,060.71 and 157,178.94 is: 216,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,290.94 : 373,060.71 = 157,178.94 : x
  2. Step 2: Convert to fraction form
    270,290.94/373,060.71 = 157,178.94/x
  3. Step 3: Cross multiply
    270,290.94x = 373,060.71 × 157,178.94
  4. Step 4: Simplify right side
    270,290.94x = 58,637,286,953.45
  5. Step 5: Solve for x
    x = 58,637,286,953.45/270,290.94
  6. Step 6: Final answer
    x = 216,941.37

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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.