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Finding the Fourth Proportional to 492,707.80, 739,061.70 and 473,024.80

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Solution

The fourth proportional to 492,707.80, 739,061.70 and 473,024.80 is: 709,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,707.80 : 739,061.70 = 473,024.80 : x
  2. Step 2: Convert to fraction form
    492,707.80/739,061.70 = 473,024.80/x
  3. Step 3: Cross multiply
    492,707.80x = 739,061.70 × 473,024.80
  4. Step 4: Simplify right side
    492,707.80x = 349,594,512,830.16
  5. Step 5: Solve for x
    x = 349,594,512,830.16/492,707.80
  6. Step 6: Final answer
    x = 709,537.20

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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.