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Finding the Fourth Proportional to 623,596.34, 935,745.35 and 339,307.40

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Solution

The fourth proportional to 623,596.34, 935,745.35 and 339,307.40 is: 509,152.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,596.34 : 935,745.35 = 339,307.40 : x
  2. Step 2: Convert to fraction form
    623,596.34/935,745.35 = 339,307.40/x
  3. Step 3: Cross multiply
    623,596.34x = 935,745.35 × 339,307.40
  4. Step 4: Simplify right side
    623,596.34x = 317,505,322,413.42
  5. Step 5: Solve for x
    x = 317,505,322,413.42/623,596.34
  6. Step 6: Final answer
    x = 509,152.00

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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.