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Finding the Fourth Proportional to 384,779.33, 577,152.57 and 375,768.89

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Solution

The fourth proportional to 384,779.33, 577,152.57 and 375,768.89 is: 563,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,779.33 : 577,152.57 = 375,768.89 : x
  2. Step 2: Convert to fraction form
    384,779.33/577,152.57 = 375,768.89/x
  3. Step 3: Cross multiply
    384,779.33x = 577,152.57 × 375,768.89
  4. Step 4: Simplify right side
    384,779.33x = 216,875,981,277.24
  5. Step 5: Solve for x
    x = 216,875,981,277.24/384,779.33
  6. Step 6: Final answer
    x = 563,637.30

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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.