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Finding the Fourth Proportional to 436,051.46, 653,681.10 and 155,503.10

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Solution

The fourth proportional to 436,051.46, 653,681.10 and 155,503.10 is: 233,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,051.46 : 653,681.10 = 155,503.10 : x
  2. Step 2: Convert to fraction form
    436,051.46/653,681.10 = 155,503.10/x
  3. Step 3: Cross multiply
    436,051.46x = 653,681.10 × 155,503.10
  4. Step 4: Simplify right side
    436,051.46x = 101,649,437,461.41
  5. Step 5: Solve for x
    x = 101,649,437,461.41/436,051.46
  6. Step 6: Final answer
    x = 233,113.40

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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.