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Finding the Fourth Proportional to 704,889.98, 973,188.59 and 484,506.68

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Solution

The fourth proportional to 704,889.98, 973,188.59 and 484,506.68 is: 668,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,889.98 : 973,188.59 = 484,506.68 : x
  2. Step 2: Convert to fraction form
    704,889.98/973,188.59 = 484,506.68/x
  3. Step 3: Cross multiply
    704,889.98x = 973,188.59 × 484,506.68
  4. Step 4: Simplify right side
    704,889.98x = 471,516,365,466.31
  5. Step 5: Solve for x
    x = 471,516,365,466.31/704,889.98
  6. Step 6: Final answer
    x = 668,921.93

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Double scale
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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.