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Finding the Fourth Proportional to 297,437.79, 446,156.66 and 87,075.72

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Solution

The fourth proportional to 297,437.79, 446,156.66 and 87,075.72 is: 130,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,437.79 : 446,156.66 = 87,075.72 : x
  2. Step 2: Convert to fraction form
    297,437.79/446,156.66 = 87,075.72/x
  3. Step 3: Cross multiply
    297,437.79x = 446,156.66 × 87,075.72
  4. Step 4: Simplify right side
    297,437.79x = 38,849,412,402.30
  5. Step 5: Solve for x
    x = 38,849,412,402.30/297,437.79
  6. Step 6: Final answer
    x = 130,613.57

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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.