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Finding the Fourth Proportional to 476,893.12, 714,841.44 and 350,345.20

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Solution

The fourth proportional to 476,893.12, 714,841.44 and 350,345.20 is: 525,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,893.12 : 714,841.44 = 350,345.20 : x
  2. Step 2: Convert to fraction form
    476,893.12/714,841.44 = 350,345.20/x
  3. Step 3: Cross multiply
    476,893.12x = 714,841.44 × 350,345.20
  4. Step 4: Simplify right side
    476,893.12x = 250,441,267,265.09
  5. Step 5: Solve for x
    x = 250,441,267,265.09/476,893.12
  6. Step 6: Final answer
    x = 525,151.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.