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Finding the Fourth Proportional to 719,166.22, 992,822.54 and 525,356.33

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Solution

The fourth proportional to 719,166.22, 992,822.54 and 525,356.33 is: 725,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,166.22 : 992,822.54 = 525,356.33 : x
  2. Step 2: Convert to fraction form
    719,166.22/992,822.54 = 525,356.33/x
  3. Step 3: Cross multiply
    719,166.22x = 992,822.54 × 525,356.33
  4. Step 4: Simplify right side
    719,166.22x = 521,585,608,382.11
  5. Step 5: Solve for x
    x = 521,585,608,382.11/719,166.22
  6. Step 6: Final answer
    x = 725,264.33

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Double scale
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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.