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Finding the Fourth Proportional to 567,427.02, 783,051.75 and 312,772.74

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Solution

The fourth proportional to 567,427.02, 783,051.75 and 312,772.74 is: 431,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,427.02 : 783,051.75 = 312,772.74 : x
  2. Step 2: Convert to fraction form
    567,427.02/783,051.75 = 312,772.74/x
  3. Step 3: Cross multiply
    567,427.02x = 783,051.75 × 312,772.74
  4. Step 4: Simplify right side
    567,427.02x = 244,917,241,409.30
  5. Step 5: Solve for x
    x = 244,917,241,409.30/567,427.02
  6. Step 6: Final answer
    x = 431,627.74

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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.