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Finding the Fourth Proportional to 464,779.90, 641,250.06 and 260,800.84

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Solution

The fourth proportional to 464,779.90, 641,250.06 and 260,800.84 is: 359,823.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,779.90 : 641,250.06 = 260,800.84 : x
  2. Step 2: Convert to fraction form
    464,779.90/641,250.06 = 260,800.84/x
  3. Step 3: Cross multiply
    464,779.90x = 641,250.06 × 260,800.84
  4. Step 4: Simplify right side
    464,779.90x = 167,238,554,298.05
  5. Step 5: Solve for x
    x = 167,238,554,298.05/464,779.90
  6. Step 6: Final answer
    x = 359,823.12

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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.