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Finding the Fourth Proportional to 524,034.76, 723,128.13 and 294,555.59

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Solution

The fourth proportional to 524,034.76, 723,128.13 and 294,555.59 is: 406,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,034.76 : 723,128.13 = 294,555.59 : x
  2. Step 2: Convert to fraction form
    524,034.76/723,128.13 = 294,555.59/x
  3. Step 3: Cross multiply
    524,034.76x = 723,128.13 × 294,555.59
  4. Step 4: Simplify right side
    524,034.76x = 213,001,429,362.11
  5. Step 5: Solve for x
    x = 213,001,429,362.11/524,034.76
  6. Step 6: Final answer
    x = 406,464.32

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Double scale
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Similar ratio
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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.