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Finding the Fourth Proportional to 554,064.70, 829,023.45 and 367,440.70

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Solution

The fourth proportional to 554,064.70, 829,023.45 and 367,440.70 is: 549,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,064.70 : 829,023.45 = 367,440.70 : x
  2. Step 2: Convert to fraction form
    554,064.70/829,023.45 = 367,440.70/x
  3. Step 3: Cross multiply
    554,064.70x = 829,023.45 × 367,440.70
  4. Step 4: Simplify right side
    554,064.70x = 304,616,956,784.42
  5. Step 5: Solve for x
    x = 304,616,956,784.42/554,064.70
  6. Step 6: Final answer
    x = 549,785.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.