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Finding the Fourth Proportional to 571,953.96, 789,333.86 and 330,246.72

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Solution

The fourth proportional to 571,953.96, 789,333.86 and 330,246.72 is: 455,762.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,953.96 : 789,333.86 = 330,246.72 : x
  2. Step 2: Convert to fraction form
    571,953.96/789,333.86 = 330,246.72/x
  3. Step 3: Cross multiply
    571,953.96x = 789,333.86 × 330,246.72
  4. Step 4: Simplify right side
    571,953.96x = 260,674,919,075.56
  5. Step 5: Solve for x
    x = 260,674,919,075.56/571,953.96
  6. Step 6: Final answer
    x = 455,762.07

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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.