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Finding the Fourth Proportional to 375,076.32, 562,612.80 and 153,460.32

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Solution

The fourth proportional to 375,076.32, 562,612.80 and 153,460.32 is: 230,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,076.32 : 562,612.80 = 153,460.32 : x
  2. Step 2: Convert to fraction form
    375,076.32/562,612.80 = 153,460.32/x
  3. Step 3: Cross multiply
    375,076.32x = 562,612.80 × 153,460.32
  4. Step 4: Simplify right side
    375,076.32x = 86,338,740,324.10
  5. Step 5: Solve for x
    x = 86,338,740,324.10/375,076.32
  6. Step 6: Final answer
    x = 230,189.79

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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.