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Finding the Fourth Proportional to 456,886.66, 630,416.11 and 295,719.34

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Solution

The fourth proportional to 456,886.66, 630,416.11 and 295,719.34 is: 408,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,886.66 : 630,416.11 = 295,719.34 : x
  2. Step 2: Convert to fraction form
    456,886.66/630,416.11 = 295,719.34/x
  3. Step 3: Cross multiply
    456,886.66x = 630,416.11 × 295,719.34
  4. Step 4: Simplify right side
    456,886.66x = 186,426,232,919.93
  5. Step 5: Solve for x
    x = 186,426,232,919.93/456,886.66
  6. Step 6: Final answer
    x = 408,036.06

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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.