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Finding the Fourth Proportional to 508,011.62, 761,483.94 and 170,935.26

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Solution

The fourth proportional to 508,011.62, 761,483.94 and 170,935.26 is: 256,223.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,011.62 : 761,483.94 = 170,935.26 : x
  2. Step 2: Convert to fraction form
    508,011.62/761,483.94 = 170,935.26/x
  3. Step 3: Cross multiply
    508,011.62x = 761,483.94 × 170,935.26
  4. Step 4: Simplify right side
    508,011.62x = 130,164,455,269.72
  5. Step 5: Solve for x
    x = 130,164,455,269.72/508,011.62
  6. Step 6: Final answer
    x = 256,223.38

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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.