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Finding the Fourth Proportional to 508,038.44, 761,580.80 and 170,843.24

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Solution

The fourth proportional to 508,038.44, 761,580.80 and 170,843.24 is: 256,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,038.44 : 761,580.80 = 170,843.24 : x
  2. Step 2: Convert to fraction form
    508,038.44/761,580.80 = 170,843.24/x
  3. Step 3: Cross multiply
    508,038.44x = 761,580.80 × 170,843.24
  4. Step 4: Simplify right side
    508,038.44x = 130,110,931,393.79
  5. Step 5: Solve for x
    x = 130,110,931,393.79/508,038.44
  6. Step 6: Final answer
    x = 256,104.50

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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.