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Finding the Fourth Proportional to 480,094.88, 662,510.76 and 276,130.40

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Solution

The fourth proportional to 480,094.88, 662,510.76 and 276,130.40 is: 381,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,094.88 : 662,510.76 = 276,130.40 : x
  2. Step 2: Convert to fraction form
    480,094.88/662,510.76 = 276,130.40/x
  3. Step 3: Cross multiply
    480,094.88x = 662,510.76 × 276,130.40
  4. Step 4: Simplify right side
    480,094.88x = 182,939,361,163.10
  5. Step 5: Solve for x
    x = 182,939,361,163.10/480,094.88
  6. Step 6: Final answer
    x = 381,048.35

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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.