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Finding the Fourth Proportional to 507,275.74, 760,734.11 and 147,371.71

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Solution

The fourth proportional to 507,275.74, 760,734.11 and 147,371.71 is: 221,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,275.74 : 760,734.11 = 147,371.71 : x
  2. Step 2: Convert to fraction form
    507,275.74/760,734.11 = 147,371.71/x
  3. Step 3: Cross multiply
    507,275.74x = 760,734.11 × 147,371.71
  4. Step 4: Simplify right side
    507,275.74x = 112,110,686,646.03
  5. Step 5: Solve for x
    x = 112,110,686,646.03/507,275.74
  6. Step 6: Final answer
    x = 221,005.42

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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.