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Finding the Fourth Proportional to 370,185.79, 555,312.57 and 103,944.51

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Solution

The fourth proportional to 370,185.79, 555,312.57 and 103,944.51 is: 155,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,185.79 : 555,312.57 = 103,944.51 : x
  2. Step 2: Convert to fraction form
    370,185.79/555,312.57 = 103,944.51/x
  3. Step 3: Cross multiply
    370,185.79x = 555,312.57 × 103,944.51
  4. Step 4: Simplify right side
    370,185.79x = 57,721,689,689.21
  5. Step 5: Solve for x
    x = 57,721,689,689.21/370,185.79
  6. Step 6: Final answer
    x = 155,926.27

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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.