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Finding the Fourth Proportional to 553,661.70, 829,180.35 and 553,661.70

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Solution

The fourth proportional to 553,661.70, 829,180.35 and 553,661.70 is: 829,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,661.70 : 829,180.35 = 553,661.70 : x
  2. Step 2: Convert to fraction form
    553,661.70/829,180.35 = 553,661.70/x
  3. Step 3: Cross multiply
    553,661.70x = 829,180.35 × 553,661.70
  4. Step 4: Simplify right side
    553,661.70x = 459,085,402,187.60
  5. Step 5: Solve for x
    x = 459,085,402,187.60/553,661.70
  6. Step 6: Final answer
    x = 829,180.35

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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.