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Finding the Fourth Proportional to 574,937.70, 787,667.48 and 553,389.26

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Solution

The fourth proportional to 574,937.70, 787,667.48 and 553,389.26 is: 758,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,937.70 : 787,667.48 = 553,389.26 : x
  2. Step 2: Convert to fraction form
    574,937.70/787,667.48 = 553,389.26/x
  3. Step 3: Cross multiply
    574,937.70x = 787,667.48 × 553,389.26
  4. Step 4: Simplify right side
    574,937.70x = 435,886,717,177.98
  5. Step 5: Solve for x
    x = 435,886,717,177.98/574,937.70
  6. Step 6: Final answer
    x = 758,146.00

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.