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Finding the Fourth Proportional to 609,046.61, 913,564.88 and 476,038.67

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Solution

The fourth proportional to 609,046.61, 913,564.88 and 476,038.67 is: 714,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,046.61 : 913,564.88 = 476,038.67 : x
  2. Step 2: Convert to fraction form
    609,046.61/913,564.88 = 476,038.67/x
  3. Step 3: Cross multiply
    609,046.61x = 913,564.88 × 476,038.67
  4. Step 4: Simplify right side
    609,046.61x = 434,892,208,053.72
  5. Step 5: Solve for x
    x = 434,892,208,053.72/609,046.61
  6. Step 6: Final answer
    x = 714,054.07

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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.