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Finding the Fourth Proportional to 372,510.76, 514,063.38 and 202,746.28

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Solution

The fourth proportional to 372,510.76, 514,063.38 and 202,746.28 is: 279,789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,510.76 : 514,063.38 = 202,746.28 : x
  2. Step 2: Convert to fraction form
    372,510.76/514,063.38 = 202,746.28/x
  3. Step 3: Cross multiply
    372,510.76x = 514,063.38 × 202,746.28
  4. Step 4: Simplify right side
    372,510.76x = 104,224,437,979.23
  5. Step 5: Solve for x
    x = 104,224,437,979.23/372,510.76
  6. Step 6: Final answer
    x = 279,789.07

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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.