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Finding the Fourth Proportional to 255,478.74, 352,543.64 and 148,029.64

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Solution

The fourth proportional to 255,478.74, 352,543.64 and 148,029.64 is: 204,271.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,478.74 : 352,543.64 = 148,029.64 : x
  2. Step 2: Convert to fraction form
    255,478.74/352,543.64 = 148,029.64/x
  3. Step 3: Cross multiply
    255,478.74x = 352,543.64 × 148,029.64
  4. Step 4: Simplify right side
    255,478.74x = 52,186,908,113.49
  5. Step 5: Solve for x
    x = 52,186,908,113.49/255,478.74
  6. Step 6: Final answer
    x = 204,271.04

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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.