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Finding the Fourth Proportional to 567,598.56, 783,271.34 and 309,480.32

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Solution

The fourth proportional to 567,598.56, 783,271.34 and 309,480.32 is: 427,074.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,598.56 : 783,271.34 = 309,480.32 : x
  2. Step 2: Convert to fraction form
    567,598.56/783,271.34 = 309,480.32/x
  3. Step 3: Cross multiply
    567,598.56x = 783,271.34 × 309,480.32
  4. Step 4: Simplify right side
    567,598.56x = 242,407,064,950.03
  5. Step 5: Solve for x
    x = 242,407,064,950.03/567,598.56
  6. Step 6: Final answer
    x = 427,074.84

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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.