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Finding the Fourth Proportional to 532,847.19, 735,320.54 and 291,124.57

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Solution

The fourth proportional to 532,847.19, 735,320.54 and 291,124.57 is: 401,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,847.19 : 735,320.54 = 291,124.57 : x
  2. Step 2: Convert to fraction form
    532,847.19/735,320.54 = 291,124.57/x
  3. Step 3: Cross multiply
    532,847.19x = 735,320.54 × 291,124.57
  4. Step 4: Simplify right side
    532,847.19x = 214,069,880,316.45
  5. Step 5: Solve for x
    x = 214,069,880,316.45/532,847.19
  6. Step 6: Final answer
    x = 401,747.22

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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.