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Finding the Fourth Proportional to 303,412.88, 455,102.28 and 93,050.24

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Solution

The fourth proportional to 303,412.88, 455,102.28 and 93,050.24 is: 139,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,412.88 : 455,102.28 = 93,050.24 : x
  2. Step 2: Convert to fraction form
    303,412.88/455,102.28 = 93,050.24/x
  3. Step 3: Cross multiply
    303,412.88x = 455,102.28 × 93,050.24
  4. Step 4: Simplify right side
    303,412.88x = 42,347,376,378.55
  5. Step 5: Solve for x
    x = 42,347,376,378.55/303,412.88
  6. Step 6: Final answer
    x = 139,570.13

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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.