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Finding the Fourth Proportional to 319,009.04, 440,252.06 and 175,769.04

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Solution

The fourth proportional to 319,009.04, 440,252.06 and 175,769.04 is: 242,572.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,009.04 : 440,252.06 = 175,769.04 : x
  2. Step 2: Convert to fraction form
    319,009.04/440,252.06 = 175,769.04/x
  3. Step 3: Cross multiply
    319,009.04x = 440,252.06 × 175,769.04
  4. Step 4: Simplify right side
    319,009.04x = 77,382,681,065.38
  5. Step 5: Solve for x
    x = 77,382,681,065.38/319,009.04
  6. Step 6: Final answer
    x = 242,572.07

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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.