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Finding the Fourth Proportional to 608,769.28, 840,085.44 and 336,830.08

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Solution

The fourth proportional to 608,769.28, 840,085.44 and 336,830.08 is: 464,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,769.28 : 840,085.44 = 336,830.08 : x
  2. Step 2: Convert to fraction form
    608,769.28/840,085.44 = 336,830.08/x
  3. Step 3: Cross multiply
    608,769.28x = 840,085.44 × 336,830.08
  4. Step 4: Simplify right side
    608,769.28x = 282,966,045,962.04
  5. Step 5: Solve for x
    x = 282,966,045,962.04/608,769.28
  6. Step 6: Final answer
    x = 464,816.57

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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.