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Finding the Fourth Proportional to 406,279.08, 560,666.70 and 224,987.04

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Solution

The fourth proportional to 406,279.08, 560,666.70 and 224,987.04 is: 310,482.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,279.08 : 560,666.70 = 224,987.04 : x
  2. Step 2: Convert to fraction form
    406,279.08/560,666.70 = 224,987.04/x
  3. Step 3: Cross multiply
    406,279.08x = 560,666.70 × 224,987.04
  4. Step 4: Simplify right side
    406,279.08x = 126,142,741,259.57
  5. Step 5: Solve for x
    x = 126,142,741,259.57/406,279.08
  6. Step 6: Final answer
    x = 310,482.98

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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.