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Finding the Fourth Proportional to 922,182.76, 1,272,609.75 and 514,285.07

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Solution

The fourth proportional to 922,182.76, 1,272,609.75 and 514,285.07 is: 709,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,182.76 : 1,272,609.75 = 514,285.07 : x
  2. Step 2: Convert to fraction form
    922,182.76/1,272,609.75 = 514,285.07/x
  3. Step 3: Cross multiply
    922,182.76x = 1,272,609.75 × 514,285.07
  4. Step 4: Simplify right side
    922,182.76x = 654,484,198,235.94
  5. Step 5: Solve for x
    x = 654,484,198,235.94/922,182.76
  6. Step 6: Final answer
    x = 709,712.03

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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.