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Finding the Fourth Proportional to 860,594.47, 1,187,596.49 and 468,114.44

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Solution

The fourth proportional to 860,594.47, 1,187,596.49 and 468,114.44 is: 645,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,594.47 : 1,187,596.49 = 468,114.44 : x
  2. Step 2: Convert to fraction form
    860,594.47/1,187,596.49 = 468,114.44/x
  3. Step 3: Cross multiply
    860,594.47x = 1,187,596.49 × 468,114.44
  4. Step 4: Simplify right side
    860,594.47x = 555,931,064,263.99
  5. Step 5: Solve for x
    x = 555,931,064,263.99/860,594.47
  6. Step 6: Final answer
    x = 645,984.93

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1.5x scale

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.