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Finding the Fourth Proportional to 303,514.40, 455,271.60 and 146,050.40

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Solution

The fourth proportional to 303,514.40, 455,271.60 and 146,050.40 is: 219,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,514.40 : 455,271.60 = 146,050.40 : x
  2. Step 2: Convert to fraction form
    303,514.40/455,271.60 = 146,050.40/x
  3. Step 3: Cross multiply
    303,514.40x = 455,271.60 × 146,050.40
  4. Step 4: Simplify right side
    303,514.40x = 66,492,599,288.64
  5. Step 5: Solve for x
    x = 66,492,599,288.64/303,514.40
  6. Step 6: Final answer
    x = 219,075.60

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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.