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Finding the Fourth Proportional to 455,907.51, 683,853.71 and 175,485.51

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Solution

The fourth proportional to 455,907.51, 683,853.71 and 175,485.51 is: 263,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,907.51 : 683,853.71 = 175,485.51 : x
  2. Step 2: Convert to fraction form
    455,907.51/683,853.71 = 175,485.51/x
  3. Step 3: Cross multiply
    455,907.51x = 683,853.71 × 175,485.51
  4. Step 4: Simplify right side
    455,907.51x = 120,006,416,187.32
  5. Step 5: Solve for x
    x = 120,006,416,187.32/455,907.51
  6. Step 6: Final answer
    x = 263,225.36

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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.