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Finding the Fourth Proportional to 406,503.95, 560,960.55 and 234,429.17

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Solution

The fourth proportional to 406,503.95, 560,960.55 and 234,429.17 is: 323,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,503.95 : 560,960.55 = 234,429.17 : x
  2. Step 2: Convert to fraction form
    406,503.95/560,960.55 = 234,429.17/x
  3. Step 3: Cross multiply
    406,503.95x = 560,960.55 × 234,429.17
  4. Step 4: Simplify right side
    406,503.95x = 131,505,513,334.44
  5. Step 5: Solve for x
    x = 131,505,513,334.44/406,503.95
  6. Step 6: Final answer
    x = 323,503.66

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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.