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Finding the Fourth Proportional to 254,442.40, 355,752.80 and 254,442.40

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Solution

The fourth proportional to 254,442.40, 355,752.80 and 254,442.40 is: 355,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,442.40 : 355,752.80 = 254,442.40 : x
  2. Step 2: Convert to fraction form
    254,442.40/355,752.80 = 254,442.40/x
  3. Step 3: Cross multiply
    254,442.40x = 355,752.80 × 254,442.40
  4. Step 4: Simplify right side
    254,442.40x = 90,518,596,238.72
  5. Step 5: Solve for x
    x = 90,518,596,238.72/254,442.40
  6. Step 6: Final answer
    x = 355,752.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.