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Finding the Fourth Proportional to 933,469.64, 1,288,214.16 and 570,887

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Solution

The fourth proportional to 933,469.64, 1,288,214.16 and 570,887 is: 787,840.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,469.64 : 1,288,214.16 = 570,887 : x
  2. Step 2: Convert to fraction form
    933,469.64/1,288,214.16 = 570,887/x
  3. Step 3: Cross multiply
    933,469.64x = 1,288,214.16 × 570,887
  4. Step 4: Simplify right side
    933,469.64x = 735,424,717,159.92
  5. Step 5: Solve for x
    x = 735,424,717,159.92/933,469.64
  6. Step 6: Final answer
    x = 787,840.00

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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.