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Finding the Fourth Proportional to 922,161.93, 1,272,580.98 and 514,264.22

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Solution

The fourth proportional to 922,161.93, 1,272,580.98 and 514,264.22 is: 709,683.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,161.93 : 1,272,580.98 = 514,264.22 : x
  2. Step 2: Convert to fraction form
    922,161.93/1,272,580.98 = 514,264.22/x
  3. Step 3: Cross multiply
    922,161.93x = 1,272,580.98 × 514,264.22
  4. Step 4: Simplify right side
    922,161.93x = 654,442,865,066.54
  5. Step 5: Solve for x
    x = 654,442,865,066.54/922,161.93
  6. Step 6: Final answer
    x = 709,683.24

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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.