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Finding the Fourth Proportional to 556,236.26, 767,601.42 and 314,566.28

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Solution

The fourth proportional to 556,236.26, 767,601.42 and 314,566.28 is: 434,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,236.26 : 767,601.42 = 314,566.28 : x
  2. Step 2: Convert to fraction form
    556,236.26/767,601.42 = 314,566.28/x
  3. Step 3: Cross multiply
    556,236.26x = 767,601.42 × 314,566.28
  4. Step 4: Simplify right side
    556,236.26x = 241,461,523,212.12
  5. Step 5: Solve for x
    x = 241,461,523,212.12/556,236.26
  6. Step 6: Final answer
    x = 434,098.85

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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.