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Finding the Fourth Proportional to 553,186.29, 829,355.69 and 173,887.59

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Solution

The fourth proportional to 553,186.29, 829,355.69 and 173,887.59 is: 260,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,186.29 : 829,355.69 = 173,887.59 : x
  2. Step 2: Convert to fraction form
    553,186.29/829,355.69 = 173,887.59/x
  3. Step 3: Cross multiply
    553,186.29x = 829,355.69 × 173,887.59
  4. Step 4: Simplify right side
    553,186.29x = 144,214,661,317.45
  5. Step 5: Solve for x
    x = 144,214,661,317.45/553,186.29
  6. Step 6: Final answer
    x = 260,698.18

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1.5x scale

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.