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Finding the Fourth Proportional to 569,766.29, 786,362.76 and 354,975.53

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Solution

The fourth proportional to 569,766.29, 786,362.76 and 354,975.53 is: 489,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,766.29 : 786,362.76 = 354,975.53 : x
  2. Step 2: Convert to fraction form
    569,766.29/786,362.76 = 354,975.53/x
  3. Step 3: Cross multiply
    569,766.29x = 786,362.76 × 354,975.53
  4. Step 4: Simplify right side
    569,766.29x = 279,139,537,503.26
  5. Step 5: Solve for x
    x = 279,139,537,503.26/569,766.29
  6. Step 6: Final answer
    x = 489,919.36

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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.