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Finding the Fourth Proportional to 567,840.56, 783,591.72 and 313,176.56

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Solution

The fourth proportional to 567,840.56, 783,591.72 and 313,176.56 is: 432,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,840.56 : 783,591.72 = 313,176.56 : x
  2. Step 2: Convert to fraction form
    567,840.56/783,591.72 = 313,176.56/x
  3. Step 3: Cross multiply
    567,840.56x = 783,591.72 × 313,176.56
  4. Step 4: Simplify right side
    567,840.56x = 245,402,559,314.08
  5. Step 5: Solve for x
    x = 245,402,559,314.08/567,840.56
  6. Step 6: Final answer
    x = 432,168.07

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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.