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Finding the Fourth Proportional to 612,804.48, 845,694.23 and 370,950.22

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Solution

The fourth proportional to 612,804.48, 845,694.23 and 370,950.22 is: 511,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,804.48 : 845,694.23 = 370,950.22 : x
  2. Step 2: Convert to fraction form
    612,804.48/845,694.23 = 370,950.22/x
  3. Step 3: Cross multiply
    612,804.48x = 845,694.23 × 370,950.22
  4. Step 4: Simplify right side
    612,804.48x = 313,710,460,671.23
  5. Step 5: Solve for x
    x = 313,710,460,671.23/612,804.48
  6. Step 6: Final answer
    x = 511,925.86

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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.