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Finding the Fourth Proportional to 303,689.52, 455,577.84 and 93,345.12

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Solution

The fourth proportional to 303,689.52, 455,577.84 and 93,345.12 is: 140,031.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,689.52 : 455,577.84 = 93,345.12 : x
  2. Step 2: Convert to fraction form
    303,689.52/455,577.84 = 93,345.12/x
  3. Step 3: Cross multiply
    303,689.52x = 455,577.84 × 93,345.12
  4. Step 4: Simplify right side
    303,689.52x = 42,525,968,144.14
  5. Step 5: Solve for x
    x = 42,525,968,144.14/303,689.52
  6. Step 6: Final answer
    x = 140,031.07

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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.