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Finding the Fourth Proportional to 456,615.91, 630,130.71 and 252,675.42

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Solution

The fourth proportional to 456,615.91, 630,130.71 and 252,675.42 is: 348,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,615.91 : 630,130.71 = 252,675.42 : x
  2. Step 2: Convert to fraction form
    456,615.91/630,130.71 = 252,675.42/x
  3. Step 3: Cross multiply
    456,615.91x = 630,130.71 × 252,675.42
  4. Step 4: Simplify right side
    456,615.91x = 159,218,541,804.15
  5. Step 5: Solve for x
    x = 159,218,541,804.15/456,615.91
  6. Step 6: Final answer
    x = 348,692.50

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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.