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Finding the Fourth Proportional to 614,800.76, 848,444.96 and 342,880.11

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Solution

The fourth proportional to 614,800.76, 848,444.96 and 342,880.11 is: 473,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,800.76 : 848,444.96 = 342,880.11 : x
  2. Step 2: Convert to fraction form
    614,800.76/848,444.96 = 342,880.11/x
  3. Step 3: Cross multiply
    614,800.76x = 848,444.96 × 342,880.11
  4. Step 4: Simplify right side
    614,800.76x = 290,914,902,070.95
  5. Step 5: Solve for x
    x = 290,914,902,070.95/614,800.76
  6. Step 6: Final answer
    x = 473,185.66

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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.