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Finding the Fourth Proportional to 569,314.49, 785,145.16 and 472,364.86

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Solution

The fourth proportional to 569,314.49, 785,145.16 and 472,364.86 is: 651,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,314.49 : 785,145.16 = 472,364.86 : x
  2. Step 2: Convert to fraction form
    569,314.49/785,145.16 = 472,364.86/x
  3. Step 3: Cross multiply
    569,314.49x = 785,145.16 × 472,364.86
  4. Step 4: Simplify right side
    569,314.49x = 370,874,984,784.69
  5. Step 5: Solve for x
    x = 370,874,984,784.69/569,314.49
  6. Step 6: Final answer
    x = 651,441.33

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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.