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Finding the Fourth Proportional to 255,543.58, 352,650.62 and 153,570.59

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Solution

The fourth proportional to 255,543.58, 352,650.62 and 153,570.59 is: 211,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,543.58 : 352,650.62 = 153,570.59 : x
  2. Step 2: Convert to fraction form
    255,543.58/352,650.62 = 153,570.59/x
  3. Step 3: Cross multiply
    255,543.58x = 352,650.62 × 153,570.59
  4. Step 4: Simplify right side
    255,543.58x = 54,156,763,009.41
  5. Step 5: Solve for x
    x = 54,156,763,009.41/255,543.58
  6. Step 6: Final answer
    x = 211,927.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.