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Finding the Fourth Proportional to 522,269.61, 716,038.31 and 512,821.77

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Solution

The fourth proportional to 522,269.61, 716,038.31 and 512,821.77 is: 703,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,269.61 : 716,038.31 = 512,821.77 : x
  2. Step 2: Convert to fraction form
    522,269.61/716,038.31 = 512,821.77/x
  3. Step 3: Cross multiply
    522,269.61x = 716,038.31 × 512,821.77
  4. Step 4: Simplify right side
    522,269.61x = 367,200,033,522.01
  5. Step 5: Solve for x
    x = 367,200,033,522.01/522,269.61
  6. Step 6: Final answer
    x = 703,085.20

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.