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Finding the Fourth Proportional to 539,594.72, 744,651.60 and 297,876.32

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Solution

The fourth proportional to 539,594.72, 744,651.60 and 297,876.32 is: 411,075.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,594.72 : 744,651.60 = 297,876.32 : x
  2. Step 2: Convert to fraction form
    539,594.72/744,651.60 = 297,876.32/x
  3. Step 3: Cross multiply
    539,594.72x = 744,651.60 × 297,876.32
  4. Step 4: Simplify right side
    539,594.72x = 221,814,078,290.11
  5. Step 5: Solve for x
    x = 221,814,078,290.11/539,594.72
  6. Step 6: Final answer
    x = 411,075.33

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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.