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Finding the Fourth Proportional to 596,521.62, 822,927.90 and 354,666.78

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Solution

The fourth proportional to 596,521.62, 822,927.90 and 354,666.78 is: 489,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,521.62 : 822,927.90 = 354,666.78 : x
  2. Step 2: Convert to fraction form
    596,521.62/822,927.90 = 354,666.78/x
  3. Step 3: Cross multiply
    596,521.62x = 822,927.90 × 354,666.78
  4. Step 4: Simplify right side
    596,521.62x = 291,865,188,465.16
  5. Step 5: Solve for x
    x = 291,865,188,465.16/596,521.62
  6. Step 6: Final answer
    x = 489,278.47

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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.