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Finding the Fourth Proportional to 560,534.97, 773,563.46 and 315,604.07

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Solution

The fourth proportional to 560,534.97, 773,563.46 and 315,604.07 is: 435,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,534.97 : 773,563.46 = 315,604.07 : x
  2. Step 2: Convert to fraction form
    560,534.97/773,563.46 = 315,604.07/x
  3. Step 3: Cross multiply
    560,534.97x = 773,563.46 × 315,604.07
  4. Step 4: Simplify right side
    560,534.97x = 244,139,776,379.28
  5. Step 5: Solve for x
    x = 244,139,776,379.28/560,534.97
  6. Step 6: Final answer
    x = 435,547.81

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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.