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Finding the Fourth Proportional to 672,014.07, 927,379.01 and 370,208.07

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Solution

The fourth proportional to 672,014.07, 927,379.01 and 370,208.07 is: 510,886.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,014.07 : 927,379.01 = 370,208.07 : x
  2. Step 2: Convert to fraction form
    672,014.07/927,379.01 = 370,208.07/x
  3. Step 3: Cross multiply
    672,014.07x = 927,379.01 × 370,208.07
  4. Step 4: Simplify right side
    672,014.07x = 343,323,191,599.57
  5. Step 5: Solve for x
    x = 343,323,191,599.57/672,014.07
  6. Step 6: Final answer
    x = 510,886.91

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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.