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Finding the Fourth Proportional to 261,024.40, 392,371.80 and 242,534.80

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Solution

The fourth proportional to 261,024.40, 392,371.80 and 242,534.80 is: 364,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,024.40 : 392,371.80 = 242,534.80 : x
  2. Step 2: Convert to fraction form
    261,024.40/392,371.80 = 242,534.80/x
  3. Step 3: Cross multiply
    261,024.40x = 392,371.80 × 242,534.80
  4. Step 4: Simplify right side
    261,024.40x = 95,163,816,038.64
  5. Step 5: Solve for x
    x = 95,163,816,038.64/261,024.40
  6. Step 6: Final answer
    x = 364,578.24

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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.