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Finding the Fourth Proportional to 304,871.60, 457,142.42 and 242,095.58

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Solution

The fourth proportional to 304,871.60, 457,142.42 and 242,095.58 is: 363,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,871.60 : 457,142.42 = 242,095.58 : x
  2. Step 2: Convert to fraction form
    304,871.60/457,142.42 = 242,095.58/x
  3. Step 3: Cross multiply
    304,871.60x = 457,142.42 × 242,095.58
  4. Step 4: Simplify right side
    304,871.60x = 110,672,159,312.50
  5. Step 5: Solve for x
    x = 110,672,159,312.50/304,871.60
  6. Step 6: Final answer
    x = 363,012.36

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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.