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Finding the Fourth Proportional to 620,618.40, 930,927.60 and 246,641.40

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Solution

The fourth proportional to 620,618.40, 930,927.60 and 246,641.40 is: 369,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,618.40 : 930,927.60 = 246,641.40 : x
  2. Step 2: Convert to fraction form
    620,618.40/930,927.60 = 246,641.40/x
  3. Step 3: Cross multiply
    620,618.40x = 930,927.60 × 246,641.40
  4. Step 4: Simplify right side
    620,618.40x = 229,605,286,562.64
  5. Step 5: Solve for x
    x = 229,605,286,562.64/620,618.40
  6. Step 6: Final answer
    x = 369,962.10

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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.