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Finding the Fourth Proportional to 407,636.80, 608,710.27 and 332,905.30

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Solution

The fourth proportional to 407,636.80, 608,710.27 and 332,905.30 is: 497,116.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,636.80 : 608,710.27 = 332,905.30 : x
  2. Step 2: Convert to fraction form
    407,636.80/608,710.27 = 332,905.30/x
  3. Step 3: Cross multiply
    407,636.80x = 608,710.27 × 332,905.30
  4. Step 4: Simplify right side
    407,636.80x = 202,642,875,047.43
  5. Step 5: Solve for x
    x = 202,642,875,047.43/407,636.80
  6. Step 6: Final answer
    x = 497,116.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.