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Finding the Fourth Proportional to 623,998.69, 935,423.94 and 339,273.16

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Solution

The fourth proportional to 623,998.69, 935,423.94 and 339,273.16 is: 508,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,998.69 : 935,423.94 = 339,273.16 : x
  2. Step 2: Convert to fraction form
    623,998.69/935,423.94 = 339,273.16/x
  3. Step 3: Cross multiply
    623,998.69x = 935,423.94 × 339,273.16
  4. Step 4: Simplify right side
    623,998.69x = 317,364,236,063.45
  5. Step 5: Solve for x
    x = 317,364,236,063.45/623,998.69
  6. Step 6: Final answer
    x = 508,597.60

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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.