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Finding the Fourth Proportional to 456,752.57, 630,347.80 and 263,156.75

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Solution

The fourth proportional to 456,752.57, 630,347.80 and 263,156.75 is: 363,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,752.57 : 630,347.80 = 263,156.75 : x
  2. Step 2: Convert to fraction form
    456,752.57/630,347.80 = 263,156.75/x
  3. Step 3: Cross multiply
    456,752.57x = 630,347.80 × 263,156.75
  4. Step 4: Simplify right side
    456,752.57x = 165,880,281,010.95
  5. Step 5: Solve for x
    x = 165,880,281,010.95/456,752.57
  6. Step 6: Final answer
    x = 363,173.18

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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.