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Finding the Fourth Proportional to 614,597.60, 921,896.40 and 602,787.80

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Solution

The fourth proportional to 614,597.60, 921,896.40 and 602,787.80 is: 904,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,597.60 : 921,896.40 = 602,787.80 : x
  2. Step 2: Convert to fraction form
    614,597.60/921,896.40 = 602,787.80/x
  3. Step 3: Cross multiply
    614,597.60x = 921,896.40 × 602,787.80
  4. Step 4: Simplify right side
    614,597.60x = 555,707,902,783.92
  5. Step 5: Solve for x
    x = 555,707,902,783.92/614,597.60
  6. Step 6: Final answer
    x = 904,181.70

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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.