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Finding the Fourth Proportional to 477,253.32, 658,592.76 and 262,391.72

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Solution

The fourth proportional to 477,253.32, 658,592.76 and 262,391.72 is: 362,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,253.32 : 658,592.76 = 262,391.72 : x
  2. Step 2: Convert to fraction form
    477,253.32/658,592.76 = 262,391.72/x
  3. Step 3: Cross multiply
    477,253.32x = 658,592.76 × 262,391.72
  4. Step 4: Simplify right side
    477,253.32x = 172,809,287,075.95
  5. Step 5: Solve for x
    x = 172,809,287,075.95/477,253.32
  6. Step 6: Final answer
    x = 362,091.33

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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.