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Finding the Fourth Proportional to 456,722.56, 630,488.64 and 265,666.24

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Solution

The fourth proportional to 456,722.56, 630,488.64 and 265,666.24 is: 366,742.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,722.56 : 630,488.64 = 265,666.24 : x
  2. Step 2: Convert to fraction form
    456,722.56/630,488.64 = 265,666.24/x
  3. Step 3: Cross multiply
    456,722.56x = 630,488.64 × 265,666.24
  4. Step 4: Simplify right side
    456,722.56x = 167,499,546,351.51
  5. Step 5: Solve for x
    x = 167,499,546,351.51/456,722.56
  6. Step 6: Final answer
    x = 366,742.44

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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.