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Finding the Fourth Proportional to 860,604.89, 1,187,628.19 and 473,411.98

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Solution

The fourth proportional to 860,604.89, 1,187,628.19 and 473,411.98 is: 653,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,604.89 : 1,187,628.19 = 473,411.98 : x
  2. Step 2: Convert to fraction form
    860,604.89/1,187,628.19 = 473,411.98/x
  3. Step 3: Cross multiply
    860,604.89x = 1,187,628.19 × 473,411.98
  4. Step 4: Simplify right side
    860,604.89x = 562,237,408,779.12
  5. Step 5: Solve for x
    x = 562,237,408,779.12/860,604.89
  6. Step 6: Final answer
    x = 653,304.92

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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.