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Finding the Fourth Proportional to 653,477.34, 901,692.90 and 408,433.23

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Solution

The fourth proportional to 653,477.34, 901,692.90 and 408,433.23 is: 563,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,477.34 : 901,692.90 = 408,433.23 : x
  2. Step 2: Convert to fraction form
    653,477.34/901,692.90 = 408,433.23/x
  3. Step 3: Cross multiply
    653,477.34x = 901,692.90 × 408,433.23
  4. Step 4: Simplify right side
    653,477.34x = 368,281,343,615.07
  5. Step 5: Solve for x
    x = 368,281,343,615.07/653,477.34
  6. Step 6: Final answer
    x = 563,571.71

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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.