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Finding the Fourth Proportional to 304,678.59, 420,453.52 and 175,569.63

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Solution

The fourth proportional to 304,678.59, 420,453.52 and 175,569.63 is: 242,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,678.59 : 420,453.52 = 175,569.63 : x
  2. Step 2: Convert to fraction form
    304,678.59/420,453.52 = 175,569.63/x
  3. Step 3: Cross multiply
    304,678.59x = 420,453.52 × 175,569.63
  4. Step 4: Simplify right side
    304,678.59x = 73,818,868,938.60
  5. Step 5: Solve for x
    x = 73,818,868,938.60/304,678.59
  6. Step 6: Final answer
    x = 242,284.40

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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.