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Finding the Fourth Proportional to 565,402.77, 779,622.48 and 529,530.50

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Solution

The fourth proportional to 565,402.77, 779,622.48 and 529,530.50 is: 730,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,402.77 : 779,622.48 = 529,530.50 : x
  2. Step 2: Convert to fraction form
    565,402.77/779,622.48 = 529,530.50/x
  3. Step 3: Cross multiply
    565,402.77x = 779,622.48 × 529,530.50
  4. Step 4: Simplify right side
    565,402.77x = 412,833,881,645.64
  5. Step 5: Solve for x
    x = 412,833,881,645.64/565,402.77
  6. Step 6: Final answer
    x = 730,158.93

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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.