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Finding the Fourth Proportional to 602,565.80, 831,533.52 and 347,911.52

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Solution

The fourth proportional to 602,565.80, 831,533.52 and 347,911.52 is: 480,113.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,565.80 : 831,533.52 = 347,911.52 : x
  2. Step 2: Convert to fraction form
    602,565.80/831,533.52 = 347,911.52/x
  3. Step 3: Cross multiply
    602,565.80x = 831,533.52 × 347,911.52
  4. Step 4: Simplify right side
    602,565.80x = 289,300,090,874.15
  5. Step 5: Solve for x
    x = 289,300,090,874.15/602,565.80
  6. Step 6: Final answer
    x = 480,113.69

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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.