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Finding the Fourth Proportional to 370,300.86, 554,707.53 and 170,343.18

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Solution

The fourth proportional to 370,300.86, 554,707.53 and 170,343.18 is: 255,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,300.86 : 554,707.53 = 170,343.18 : x
  2. Step 2: Convert to fraction form
    370,300.86/554,707.53 = 170,343.18/x
  3. Step 3: Cross multiply
    370,300.86x = 554,707.53 × 170,343.18
  4. Step 4: Simplify right side
    370,300.86x = 94,490,644,630.15
  5. Step 5: Solve for x
    x = 94,490,644,630.15/370,300.86
  6. Step 6: Final answer
    x = 255,172.63

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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.