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Finding the Fourth Proportional to 456,950.16, 630,570.48 and 252,986.64

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Solution

The fourth proportional to 456,950.16, 630,570.48 and 252,986.64 is: 349,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,950.16 : 630,570.48 = 252,986.64 : x
  2. Step 2: Convert to fraction form
    456,950.16/630,570.48 = 252,986.64/x
  3. Step 3: Cross multiply
    456,950.16x = 630,570.48 × 252,986.64
  4. Step 4: Simplify right side
    456,950.16x = 159,525,907,018.39
  5. Step 5: Solve for x
    x = 159,525,907,018.39/456,950.16
  6. Step 6: Final answer
    x = 349,110.08

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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.