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Finding the Fourth Proportional to 622,666.70, 934,000.05 and 561,649.40

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Solution

The fourth proportional to 622,666.70, 934,000.05 and 561,649.40 is: 842,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,666.70 : 934,000.05 = 561,649.40 : x
  2. Step 2: Convert to fraction form
    622,666.70/934,000.05 = 561,649.40/x
  3. Step 3: Cross multiply
    622,666.70x = 934,000.05 × 561,649.40
  4. Step 4: Simplify right side
    622,666.70x = 524,580,567,682.47
  5. Step 5: Solve for x
    x = 524,580,567,682.47/622,666.70
  6. Step 6: Final answer
    x = 842,474.10

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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.