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Finding the Fourth Proportional to 303,549.10, 455,323.65 and 303,549.10

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Solution

The fourth proportional to 303,549.10, 455,323.65 and 303,549.10 is: 455,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,549.10 : 455,323.65 = 303,549.10 : x
  2. Step 2: Convert to fraction form
    303,549.10/455,323.65 = 303,549.10/x
  3. Step 3: Cross multiply
    303,549.10x = 455,323.65 × 303,549.10
  4. Step 4: Simplify right side
    303,549.10x = 138,213,084,166.22
  5. Step 5: Solve for x
    x = 138,213,084,166.22/303,549.10
  6. Step 6: Final answer
    x = 455,323.65

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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.