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Finding the Fourth Proportional to 623,092.30, 859,872.71 and 351,108.07

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Solution

The fourth proportional to 623,092.30, 859,872.71 and 351,108.07 is: 484,532.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,092.30 : 859,872.71 = 351,108.07 : x
  2. Step 2: Convert to fraction form
    623,092.30/859,872.71 = 351,108.07/x
  3. Step 3: Cross multiply
    623,092.30x = 859,872.71 × 351,108.07
  4. Step 4: Simplify right side
    623,092.30x = 301,908,246,381.86
  5. Step 5: Solve for x
    x = 301,908,246,381.86/623,092.30
  6. Step 6: Final answer
    x = 484,532.14

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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.