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Finding the Fourth Proportional to 294,315.75, 441,477.79 and 83,953.69

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Solution

The fourth proportional to 294,315.75, 441,477.79 and 83,953.69 is: 125,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,315.75 : 441,477.79 = 83,953.69 : x
  2. Step 2: Convert to fraction form
    294,315.75/441,477.79 = 83,953.69/x
  3. Step 3: Cross multiply
    294,315.75x = 441,477.79 × 83,953.69
  4. Step 4: Simplify right side
    294,315.75x = 37,063,688,209.97
  5. Step 5: Solve for x
    x = 37,063,688,209.97/294,315.75
  6. Step 6: Final answer
    x = 125,931.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.