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Finding the Fourth Proportional to 472,267.80, 710,151.30 and 395,285.40

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Solution

The fourth proportional to 472,267.80, 710,151.30 and 395,285.40 is: 594,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,267.80 : 710,151.30 = 395,285.40 : x
  2. Step 2: Convert to fraction form
    472,267.80/710,151.30 = 395,285.40/x
  3. Step 3: Cross multiply
    472,267.80x = 710,151.30 × 395,285.40
  4. Step 4: Simplify right side
    472,267.80x = 280,712,440,681.02
  5. Step 5: Solve for x
    x = 280,712,440,681.02/472,267.80
  6. Step 6: Final answer
    x = 594,392.51

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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.