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Finding the Fourth Proportional to 406,280.58, 560,668.77 and 224,988.54

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Solution

The fourth proportional to 406,280.58, 560,668.77 and 224,988.54 is: 310,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,280.58 : 560,668.77 = 224,988.54 : x
  2. Step 2: Convert to fraction form
    406,280.58/560,668.77 = 224,988.54/x
  3. Step 3: Cross multiply
    406,280.58x = 560,668.77 × 224,988.54
  4. Step 4: Simplify right side
    406,280.58x = 126,144,047,985.90
  5. Step 5: Solve for x
    x = 126,144,047,985.90/406,280.58
  6. Step 6: Final answer
    x = 310,485.05

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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.