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Finding the Fourth Proportional to 653,550.80, 901,635.60 and 411,406.16

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Solution

The fourth proportional to 653,550.80, 901,635.60 and 411,406.16 is: 567,574.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,550.80 : 901,635.60 = 411,406.16 : x
  2. Step 2: Convert to fraction form
    653,550.80/901,635.60 = 411,406.16/x
  3. Step 3: Cross multiply
    653,550.80x = 901,635.60 × 411,406.16
  4. Step 4: Simplify right side
    653,550.80x = 370,938,439,915.30
  5. Step 5: Solve for x
    x = 370,938,439,915.30/653,550.80
  6. Step 6: Final answer
    x = 567,574.00

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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.