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Finding the Fourth Proportional to 456,615.85, 630,130.63 and 252,675.35

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Solution

The fourth proportional to 456,615.85, 630,130.63 and 252,675.35 is: 348,692.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,615.85 : 630,130.63 = 252,675.35 : x
  2. Step 2: Convert to fraction form
    456,615.85/630,130.63 = 252,675.35/x
  3. Step 3: Cross multiply
    456,615.85x = 630,130.63 × 252,675.35
  4. Step 4: Simplify right side
    456,615.85x = 159,218,478,424.61
  5. Step 5: Solve for x
    x = 159,218,478,424.61/456,615.85
  6. Step 6: Final answer
    x = 348,692.41

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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.