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Finding the Fourth Proportional to 462,061.76, 692,126.70 and 371,615.63

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Solution

The fourth proportional to 462,061.76, 692,126.70 and 371,615.63 is: 556,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,061.76 : 692,126.70 = 371,615.63 : x
  2. Step 2: Convert to fraction form
    462,061.76/692,126.70 = 371,615.63/x
  3. Step 3: Cross multiply
    462,061.76x = 692,126.70 × 371,615.63
  4. Step 4: Simplify right side
    462,061.76x = 257,205,096,199.69
  5. Step 5: Solve for x
    x = 257,205,096,199.69/462,061.76
  6. Step 6: Final answer
    x = 556,646.58

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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.