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Finding the Fourth Proportional to 973,693.60, 1,460,319.60 and 440,862.88

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Solution

The fourth proportional to 973,693.60, 1,460,319.60 and 440,862.88 is: 661,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,693.60 : 1,460,319.60 = 440,862.88 : x
  2. Step 2: Convert to fraction form
    973,693.60/1,460,319.60 = 440,862.88/x
  3. Step 3: Cross multiply
    973,693.60x = 1,460,319.60 × 440,862.88
  4. Step 4: Simplify right side
    973,693.60x = 643,800,704,576.45
  5. Step 5: Solve for x
    x = 643,800,704,576.45/973,693.60
  6. Step 6: Final answer
    x = 661,194.35

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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.