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Finding the Fourth Proportional to 370,853.16, 555,904.56 and 146,126.22

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Solution

The fourth proportional to 370,853.16, 555,904.56 and 146,126.22 is: 219,041.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,853.16 : 555,904.56 = 146,126.22 : x
  2. Step 2: Convert to fraction form
    370,853.16/555,904.56 = 146,126.22/x
  3. Step 3: Cross multiply
    370,853.16x = 555,904.56 × 146,126.22
  4. Step 4: Simplify right side
    370,853.16x = 81,232,232,033.56
  5. Step 5: Solve for x
    x = 81,232,232,033.56/370,853.16
  6. Step 6: Final answer
    x = 219,041.50

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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.