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Finding the Fourth Proportional to 674,999.33, 931,512.56 and 369,094.86

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Solution

The fourth proportional to 674,999.33, 931,512.56 and 369,094.86 is: 509,358.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,999.33 : 931,512.56 = 369,094.86 : x
  2. Step 2: Convert to fraction form
    674,999.33/931,512.56 = 369,094.86/x
  3. Step 3: Cross multiply
    674,999.33x = 931,512.56 × 369,094.86
  4. Step 4: Simplify right side
    674,999.33x = 343,816,496,075.97
  5. Step 5: Solve for x
    x = 343,816,496,075.97/674,999.33
  6. Step 6: Final answer
    x = 509,358.28

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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.