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Finding the Fourth Proportional to 301,547.12, 415,714.64 and 246,908.57

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Solution

The fourth proportional to 301,547.12, 415,714.64 and 246,908.57 is: 340,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,547.12 : 415,714.64 = 246,908.57 : x
  2. Step 2: Convert to fraction form
    301,547.12/415,714.64 = 246,908.57/x
  3. Step 3: Cross multiply
    301,547.12x = 415,714.64 × 246,908.57
  4. Step 4: Simplify right side
    301,547.12x = 102,643,503,977.35
  5. Step 5: Solve for x
    x = 102,643,503,977.35/301,547.12
  6. Step 6: Final answer
    x = 340,389.61

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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.