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Finding the Fourth Proportional to 567,562.95, 783,242.19 and 312,923.25

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Solution

The fourth proportional to 567,562.95, 783,242.19 and 312,923.25 is: 431,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,562.95 : 783,242.19 = 312,923.25 : x
  2. Step 2: Convert to fraction form
    567,562.95/783,242.19 = 312,923.25/x
  3. Step 3: Cross multiply
    567,562.95x = 783,242.19 × 312,923.25
  4. Step 4: Simplify right side
    567,562.95x = 245,094,691,631.92
  5. Step 5: Solve for x
    x = 245,094,691,631.92/567,562.95
  6. Step 6: Final answer
    x = 431,837.02

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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.