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Finding the Fourth Proportional to 607,143.66, 910,629.93 and 381,817.26

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Solution

The fourth proportional to 607,143.66, 910,629.93 and 381,817.26 is: 572,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,143.66 : 910,629.93 = 381,817.26 : x
  2. Step 2: Convert to fraction form
    607,143.66/910,629.93 = 381,817.26/x
  3. Step 3: Cross multiply
    607,143.66x = 910,629.93 × 381,817.26
  4. Step 4: Simplify right side
    607,143.66x = 347,694,224,746.59
  5. Step 5: Solve for x
    x = 347,694,224,746.59/607,143.66
  6. Step 6: Final answer
    x = 572,672.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.