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Finding the Fourth Proportional to 424,834.94, 586,203.60 and 243,513.50

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Solution

The fourth proportional to 424,834.94, 586,203.60 and 243,513.50 is: 336,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,834.94 : 586,203.60 = 243,513.50 : x
  2. Step 2: Convert to fraction form
    424,834.94/586,203.60 = 243,513.50/x
  3. Step 3: Cross multiply
    424,834.94x = 586,203.60 × 243,513.50
  4. Step 4: Simplify right side
    424,834.94x = 142,748,489,131.03
  5. Step 5: Solve for x
    x = 142,748,489,131.03/424,834.94
  6. Step 6: Final answer
    x = 336,009.30

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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.