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Finding the Fourth Proportional to 569,248.65, 785,925.45 and 354,703.95

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Solution

The fourth proportional to 569,248.65, 785,925.45 and 354,703.95 is: 489,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,248.65 : 785,925.45 = 354,703.95 : x
  2. Step 2: Convert to fraction form
    569,248.65/785,925.45 = 354,703.95/x
  3. Step 3: Cross multiply
    569,248.65x = 785,925.45 × 354,703.95
  4. Step 4: Simplify right side
    569,248.65x = 278,770,861,520.53
  5. Step 5: Solve for x
    x = 278,770,861,520.53/569,248.65
  6. Step 6: Final answer
    x = 489,717.21

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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.