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Finding the Fourth Proportional to 973,251.60, 1,458,883.80 and 657,740.40

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Solution

The fourth proportional to 973,251.60, 1,458,883.80 and 657,740.40 is: 985,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,251.60 : 1,458,883.80 = 657,740.40 : x
  2. Step 2: Convert to fraction form
    973,251.60/1,458,883.80 = 657,740.40/x
  3. Step 3: Cross multiply
    973,251.60x = 1,458,883.80 × 657,740.40
  4. Step 4: Simplify right side
    973,251.60x = 959,566,814,165.52
  5. Step 5: Solve for x
    x = 959,566,814,165.52/973,251.60
  6. Step 6: Final answer
    x = 985,939.11

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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.