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Finding the Fourth Proportional to 282,003.70, 423,005.55 and 175,558.90

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Solution

The fourth proportional to 282,003.70, 423,005.55 and 175,558.90 is: 263,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,003.70 : 423,005.55 = 175,558.90 : x
  2. Step 2: Convert to fraction form
    282,003.70/423,005.55 = 175,558.90/x
  3. Step 3: Cross multiply
    282,003.70x = 423,005.55 × 175,558.90
  4. Step 4: Simplify right side
    282,003.70x = 74,262,389,051.90
  5. Step 5: Solve for x
    x = 74,262,389,051.90/282,003.70
  6. Step 6: Final answer
    x = 263,338.35

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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.