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Finding the Fourth Proportional to 973,429.38, 1,460,518 and 685,517.32

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Solution

The fourth proportional to 973,429.38, 1,460,518 and 685,517.32 is: 1,028,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,429.38 : 1,460,518 = 685,517.32 : x
  2. Step 2: Convert to fraction form
    973,429.38/1,460,518 = 685,517.32/x
  3. Step 3: Cross multiply
    973,429.38x = 1,460,518 × 685,517.32
  4. Step 4: Simplify right side
    973,429.38x = 1,001,210,385,171.76
  5. Step 5: Solve for x
    x = 1,001,210,385,171.76/973,429.38
  6. Step 6: Final answer
    x = 1,028,539.31

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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.