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Finding the Fourth Proportional to 522,671.36, 720,044.16 and 497,373.44

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Solution

The fourth proportional to 522,671.36, 720,044.16 and 497,373.44 is: 685,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,671.36 : 720,044.16 = 497,373.44 : x
  2. Step 2: Convert to fraction form
    522,671.36/720,044.16 = 497,373.44/x
  3. Step 3: Cross multiply
    522,671.36x = 720,044.16 × 497,373.44
  4. Step 4: Simplify right side
    522,671.36x = 358,130,840,811.11
  5. Step 5: Solve for x
    x = 358,130,840,811.11/522,671.36
  6. Step 6: Final answer
    x = 685,193.16

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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.