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Finding the Fourth Proportional to 406,459.01, 560,913.36 and 225,182.72

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Solution

The fourth proportional to 406,459.01, 560,913.36 and 225,182.72 is: 310,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,459.01 : 560,913.36 = 225,182.72 : x
  2. Step 2: Convert to fraction form
    406,459.01/560,913.36 = 225,182.72/x
  3. Step 3: Cross multiply
    406,459.01x = 560,913.36 × 225,182.72
  4. Step 4: Simplify right side
    406,459.01x = 126,307,996,089.14
  5. Step 5: Solve for x
    x = 126,307,996,089.14/406,459.01
  6. Step 6: Final answer
    x = 310,752.11

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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.