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Finding the Fourth Proportional to 404,011.70, 606,013.80 and 154,693.70

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Solution

The fourth proportional to 404,011.70, 606,013.80 and 154,693.70 is: 232,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,011.70 : 606,013.80 = 154,693.70 : x
  2. Step 2: Convert to fraction form
    404,011.70/606,013.80 = 154,693.70/x
  3. Step 3: Cross multiply
    404,011.70x = 606,013.80 × 154,693.70
  4. Step 4: Simplify right side
    404,011.70x = 93,746,516,973.06
  5. Step 5: Solve for x
    x = 93,746,516,973.06/404,011.70
  6. Step 6: Final answer
    x = 232,039.11

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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.