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Finding the Fourth Proportional to 304,674.48, 420,320.40 and 183,746.96

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Solution

The fourth proportional to 304,674.48, 420,320.40 and 183,746.96 is: 253,492.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,674.48 : 420,320.40 = 183,746.96 : x
  2. Step 2: Convert to fraction form
    304,674.48/420,320.40 = 183,746.96/x
  3. Step 3: Cross multiply
    304,674.48x = 420,320.40 × 183,746.96
  4. Step 4: Simplify right side
    304,674.48x = 77,232,595,725.98
  5. Step 5: Solve for x
    x = 77,232,595,725.98/304,674.48
  6. Step 6: Final answer
    x = 253,492.17

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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.