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Finding the Fourth Proportional to 860,594.98, 1,187,597.18 and 468,114.94

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Solution

The fourth proportional to 860,594.98, 1,187,597.18 and 468,114.94 is: 645,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,594.98 : 1,187,597.18 = 468,114.94 : x
  2. Step 2: Convert to fraction form
    860,594.98/1,187,597.18 = 468,114.94/x
  3. Step 3: Cross multiply
    860,594.98x = 1,187,597.18 × 468,114.94
  4. Step 4: Simplify right side
    860,594.98x = 555,931,980,319.30
  5. Step 5: Solve for x
    x = 555,931,980,319.30/860,594.98
  6. Step 6: Final answer
    x = 645,985.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.