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Finding the Fourth Proportional to 450,830.98, 675,173.13 and 260,890.96

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Solution

The fourth proportional to 450,830.98, 675,173.13 and 260,890.96 is: 390,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,830.98 : 675,173.13 = 260,890.96 : x
  2. Step 2: Convert to fraction form
    450,830.98/675,173.13 = 260,890.96/x
  3. Step 3: Cross multiply
    450,830.98x = 675,173.13 × 260,890.96
  4. Step 4: Simplify right side
    450,830.98x = 176,146,566,051.91
  5. Step 5: Solve for x
    x = 176,146,566,051.91/450,830.98
  6. Step 6: Final answer
    x = 390,715.31

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1.5x scale

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.