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Finding the Fourth Proportional to 374,590, 561,885.54 and 152,974

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Solution

The fourth proportional to 374,590, 561,885.54 and 152,974 is: 229,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,590 : 561,885.54 = 152,974 : x
  2. Step 2: Convert to fraction form
    374,590/561,885.54 = 152,974/x
  3. Step 3: Cross multiply
    374,590x = 561,885.54 × 152,974
  4. Step 4: Simplify right side
    374,590x = 85,953,878,595.96
  5. Step 5: Solve for x
    x = 85,953,878,595.96/374,590
  6. Step 6: Final answer
    x = 229,461.22

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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.