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Finding the Fourth Proportional to 572,004.94, 789,736.58 and 354,444.47

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Solution

The fourth proportional to 572,004.94, 789,736.58 and 354,444.47 is: 489,362.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,004.94 : 789,736.58 = 354,444.47 : x
  2. Step 2: Convert to fraction form
    572,004.94/789,736.58 = 354,444.47/x
  3. Step 3: Cross multiply
    572,004.94x = 789,736.58 × 354,444.47
  4. Step 4: Simplify right side
    572,004.94x = 279,917,768,543.51
  5. Step 5: Solve for x
    x = 279,917,768,543.51/572,004.94
  6. Step 6: Final answer
    x = 489,362.50

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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.