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Finding the Fourth Proportional to 456,953.57, 630,615.63 and 253,004.48

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Solution

The fourth proportional to 456,953.57, 630,615.63 and 253,004.48 is: 349,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,953.57 : 630,615.63 = 253,004.48 : x
  2. Step 2: Convert to fraction form
    456,953.57/630,615.63 = 253,004.48/x
  3. Step 3: Cross multiply
    456,953.57x = 630,615.63 × 253,004.48
  4. Step 4: Simplify right side
    456,953.57x = 159,548,578,283
  5. Step 5: Solve for x
    x = 159,548,578,283/456,953.57
  6. Step 6: Final answer
    x = 349,157.09

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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.