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Finding the Fourth Proportional to 624,081.10, 936,646.80 and 584,715.10

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Solution

The fourth proportional to 624,081.10, 936,646.80 and 584,715.10 is: 877,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,081.10 : 936,646.80 = 584,715.10 : x
  2. Step 2: Convert to fraction form
    624,081.10/936,646.80 = 584,715.10/x
  3. Step 3: Cross multiply
    624,081.10x = 936,646.80 × 584,715.10
  4. Step 4: Simplify right side
    624,081.10x = 547,671,527,326.68
  5. Step 5: Solve for x
    x = 547,671,527,326.68/624,081.10
  6. Step 6: Final answer
    x = 877,564.67

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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.