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Finding the Fourth Proportional to 514,810.60, 771,426.42 and 233,999.80

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Solution

The fourth proportional to 514,810.60, 771,426.42 and 233,999.80 is: 350,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,810.60 : 771,426.42 = 233,999.80 : x
  2. Step 2: Convert to fraction form
    514,810.60/771,426.42 = 233,999.80/x
  3. Step 3: Cross multiply
    514,810.60x = 771,426.42 × 233,999.80
  4. Step 4: Simplify right side
    514,810.60x = 180,513,627,994.72
  5. Step 5: Solve for x
    x = 180,513,627,994.72/514,810.60
  6. Step 6: Final answer
    x = 350,640.85

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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.