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Finding the Fourth Proportional to 617,897.53, 926,946.29 and 191,333.10

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Solution

The fourth proportional to 617,897.53, 926,946.29 and 191,333.10 is: 287,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,897.53 : 926,946.29 = 191,333.10 : x
  2. Step 2: Convert to fraction form
    617,897.53/926,946.29 = 191,333.10/x
  3. Step 3: Cross multiply
    617,897.53x = 926,946.29 × 191,333.10
  4. Step 4: Simplify right side
    617,897.53x = 177,355,507,199.20
  5. Step 5: Solve for x
    x = 177,355,507,199.20/617,897.53
  6. Step 6: Final answer
    x = 287,030.62

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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.