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Finding the Fourth Proportional to 372,802.70, 514,473.59 and 203,036.69

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Solution

The fourth proportional to 372,802.70, 514,473.59 and 203,036.69 is: 280,193.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,802.70 : 514,473.59 = 203,036.69 : x
  2. Step 2: Convert to fraction form
    372,802.70/514,473.59 = 203,036.69/x
  3. Step 3: Cross multiply
    372,802.70x = 514,473.59 × 203,036.69
  4. Step 4: Simplify right side
    372,802.70x = 104,457,013,790.83
  5. Step 5: Solve for x
    x = 104,457,013,790.83/372,802.70
  6. Step 6: Final answer
    x = 280,193.82

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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.