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Finding the Fourth Proportional to 765,000.06, 1,055,737.47 and 425,461.02

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Solution

The fourth proportional to 765,000.06, 1,055,737.47 and 425,461.02 is: 587,157.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,000.06 : 1,055,737.47 = 425,461.02 : x
  2. Step 2: Convert to fraction form
    765,000.06/1,055,737.47 = 425,461.02/x
  3. Step 3: Cross multiply
    765,000.06x = 1,055,737.47 × 425,461.02
  4. Step 4: Simplify right side
    765,000.06x = 449,175,140,838.42
  5. Step 5: Solve for x
    x = 449,175,140,838.42/765,000.06
  6. Step 6: Final answer
    x = 587,157.00

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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.