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Finding the Fourth Proportional to 251,574.30, 377,361.45 and 146,598.30

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Solution

The fourth proportional to 251,574.30, 377,361.45 and 146,598.30 is: 219,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,574.30 : 377,361.45 = 146,598.30 : x
  2. Step 2: Convert to fraction form
    251,574.30/377,361.45 = 146,598.30/x
  3. Step 3: Cross multiply
    251,574.30x = 377,361.45 × 146,598.30
  4. Step 4: Simplify right side
    251,574.30x = 55,320,547,055.54
  5. Step 5: Solve for x
    x = 55,320,547,055.54/251,574.30
  6. Step 6: Final answer
    x = 219,897.45

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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.