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Finding the Fourth Proportional to 584,793.48, 807,017.43 and 316,521.48

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Solution

The fourth proportional to 584,793.48, 807,017.43 and 316,521.48 is: 436,800.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,793.48 : 807,017.43 = 316,521.48 : x
  2. Step 2: Convert to fraction form
    584,793.48/807,017.43 = 316,521.48/x
  3. Step 3: Cross multiply
    584,793.48x = 807,017.43 × 316,521.48
  4. Step 4: Simplify right side
    584,793.48x = 255,438,351,329.40
  5. Step 5: Solve for x
    x = 255,438,351,329.40/584,793.48
  6. Step 6: Final answer
    x = 436,800.96

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1.5x scale

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.