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Finding the Fourth Proportional to 279,360.82, 385,510.54 and 152,033.68

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Solution

The fourth proportional to 279,360.82, 385,510.54 and 152,033.68 is: 209,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,360.82 : 385,510.54 = 152,033.68 : x
  2. Step 2: Convert to fraction form
    279,360.82/385,510.54 = 152,033.68/x
  3. Step 3: Cross multiply
    279,360.82x = 385,510.54 × 152,033.68
  4. Step 4: Simplify right side
    279,360.82x = 58,610,583,387.27
  5. Step 5: Solve for x
    x = 58,610,583,387.27/279,360.82
  6. Step 6: Final answer
    x = 209,802.45

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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.