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Finding the Fourth Proportional to 328,547.12, 453,288.83 and 183,329.42

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Solution

The fourth proportional to 328,547.12, 453,288.83 and 183,329.42 is: 252,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,547.12 : 453,288.83 = 183,329.42 : x
  2. Step 2: Convert to fraction form
    328,547.12/453,288.83 = 183,329.42/x
  3. Step 3: Cross multiply
    328,547.12x = 453,288.83 × 183,329.42
  4. Step 4: Simplify right side
    328,547.12x = 83,101,175,113.29
  5. Step 5: Solve for x
    x = 83,101,175,113.29/328,547.12
  6. Step 6: Final answer
    x = 252,935.34

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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.