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Finding the Fourth Proportional to 406,504.95, 560,961.93 and 234,430.17

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Solution

The fourth proportional to 406,504.95, 560,961.93 and 234,430.17 is: 323,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,504.95 : 560,961.93 = 234,430.17 : x
  2. Step 2: Convert to fraction form
    406,504.95/560,961.93 = 234,430.17/x
  3. Step 3: Cross multiply
    406,504.95x = 560,961.93 × 234,430.17
  4. Step 4: Simplify right side
    406,504.95x = 131,506,400,613.43
  5. Step 5: Solve for x
    x = 131,506,400,613.43/406,504.95
  6. Step 6: Final answer
    x = 323,505.04

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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.