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Finding the Fourth Proportional to 719,172.05, 992,830.58 and 525,362.14

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Solution

The fourth proportional to 719,172.05, 992,830.58 and 525,362.14 is: 725,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,172.05 : 992,830.58 = 525,362.14 : x
  2. Step 2: Convert to fraction form
    719,172.05/992,830.58 = 525,362.14/x
  3. Step 3: Cross multiply
    719,172.05x = 992,830.58 × 525,362.14
  4. Step 4: Simplify right side
    719,172.05x = 521,595,598,166.24
  5. Step 5: Solve for x
    x = 521,595,598,166.24/719,172.05
  6. Step 6: Final answer
    x = 725,272.34

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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.