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Finding the Fourth Proportional to 406,316.49, 560,810.07 and 270,356.15

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Solution

The fourth proportional to 406,316.49, 560,810.07 and 270,356.15 is: 373,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,316.49 : 560,810.07 = 270,356.15 : x
  2. Step 2: Convert to fraction form
    406,316.49/560,810.07 = 270,356.15/x
  3. Step 3: Cross multiply
    406,316.49x = 560,810.07 × 270,356.15
  4. Step 4: Simplify right side
    406,316.49x = 151,618,448,602.38
  5. Step 5: Solve for x
    x = 151,618,448,602.38/406,316.49
  6. Step 6: Final answer
    x = 373,153.57

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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.