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Finding the Fourth Proportional to 370,137.64, 555,123.42 and 170,266.12

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Solution

The fourth proportional to 370,137.64, 555,123.42 and 170,266.12 is: 255,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,137.64 : 555,123.42 = 170,266.12 : x
  2. Step 2: Convert to fraction form
    370,137.64/555,123.42 = 170,266.12/x
  3. Step 3: Cross multiply
    370,137.64x = 555,123.42 × 170,266.12
  4. Step 4: Simplify right side
    370,137.64x = 94,518,710,844.53
  5. Step 5: Solve for x
    x = 94,518,710,844.53/370,137.64
  6. Step 6: Final answer
    x = 255,360.98

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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.