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Finding the Fourth Proportional to 508,030.42, 761,568.80 and 170,835.26

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Solution

The fourth proportional to 508,030.42, 761,568.80 and 170,835.26 is: 256,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,030.42 : 761,568.80 = 170,835.26 : x
  2. Step 2: Convert to fraction form
    508,030.42/761,568.80 = 170,835.26/x
  3. Step 3: Cross multiply
    508,030.42x = 761,568.80 × 170,835.26
  4. Step 4: Simplify right side
    508,030.42x = 130,102,803,955.89
  5. Step 5: Solve for x
    x = 130,102,803,955.89/508,030.42
  6. Step 6: Final answer
    x = 256,092.55

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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.