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Finding the Fourth Proportional to 539,590.72, 744,646.08 and 297,872.32

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Solution

The fourth proportional to 539,590.72, 744,646.08 and 297,872.32 is: 411,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,590.72 : 744,646.08 = 297,872.32 : x
  2. Step 2: Convert to fraction form
    539,590.72/744,646.08 = 297,872.32/x
  3. Step 3: Cross multiply
    539,590.72x = 744,646.08 × 297,872.32
  4. Step 4: Simplify right side
    539,590.72x = 221,809,455,428.51
  5. Step 5: Solve for x
    x = 221,809,455,428.51/539,590.72
  6. Step 6: Final answer
    x = 411,069.81

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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.