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Finding the Fourth Proportional to 604,791, 904,971.96 and 572,347.26

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Solution

The fourth proportional to 604,791, 904,971.96 and 572,347.26 is: 856,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,791 : 904,971.96 = 572,347.26 : x
  2. Step 2: Convert to fraction form
    604,791/904,971.96 = 572,347.26/x
  3. Step 3: Cross multiply
    604,791x = 904,971.96 × 572,347.26
  4. Step 4: Simplify right side
    604,791x = 517,958,221,682.83
  5. Step 5: Solve for x
    x = 517,958,221,682.83/604,791
  6. Step 6: Final answer
    x = 856,425.15

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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.