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Finding the Fourth Proportional to 537,794.96, 742,143.48 and 296,075.12

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Solution

The fourth proportional to 537,794.96, 742,143.48 and 296,075.12 is: 408,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,794.96 : 742,143.48 = 296,075.12 : x
  2. Step 2: Convert to fraction form
    537,794.96/742,143.48 = 296,075.12/x
  3. Step 3: Cross multiply
    537,794.96x = 742,143.48 × 296,075.12
  4. Step 4: Simplify right side
    537,794.96x = 219,730,219,898.22
  5. Step 5: Solve for x
    x = 219,730,219,898.22/537,794.96
  6. Step 6: Final answer
    x = 408,576.20

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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.