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Finding the Fourth Proportional to 539,601.90, 744,656.66 and 297,884.60

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Solution

The fourth proportional to 539,601.90, 744,656.66 and 297,884.60 is: 411,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,601.90 : 744,656.66 = 297,884.60 : x
  2. Step 2: Convert to fraction form
    539,601.90/744,656.66 = 297,884.60/x
  3. Step 3: Cross multiply
    539,601.90x = 744,656.66 × 297,884.60
  4. Step 4: Simplify right side
    539,601.90x = 221,821,746,088.73
  5. Step 5: Solve for x
    x = 221,821,746,088.73/539,601.90
  6. Step 6: Final answer
    x = 411,084.07

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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.