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Finding the Fourth Proportional to 456,887.66, 630,417.48 and 295,720.34

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Solution

The fourth proportional to 456,887.66, 630,417.48 and 295,720.34 is: 408,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,887.66 : 630,417.48 = 295,720.34 : x
  2. Step 2: Convert to fraction form
    456,887.66/630,417.48 = 295,720.34/x
  3. Step 3: Cross multiply
    456,887.66x = 630,417.48 × 295,720.34
  4. Step 4: Simplify right side
    456,887.66x = 186,427,271,527.54
  5. Step 5: Solve for x
    x = 186,427,271,527.54/456,887.66
  6. Step 6: Final answer
    x = 408,037.44

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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.