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Finding the Fourth Proportional to 597,312.78, 895,677.21 and 260,637.90

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Solution

The fourth proportional to 597,312.78, 895,677.21 and 260,637.90 is: 390,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,312.78 : 895,677.21 = 260,637.90 : x
  2. Step 2: Convert to fraction form
    597,312.78/895,677.21 = 260,637.90/x
  3. Step 3: Cross multiply
    597,312.78x = 895,677.21 × 260,637.90
  4. Step 4: Simplify right side
    597,312.78x = 233,447,427,092.26
  5. Step 5: Solve for x
    x = 233,447,427,092.26/597,312.78
  6. Step 6: Final answer
    x = 390,829.45

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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.