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Finding the Fourth Proportional to 1,133,552, 1,564,278 and 624,258.56

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Solution

The fourth proportional to 1,133,552, 1,564,278 and 624,258.56 is: 861,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,552 : 1,564,278 = 624,258.56 : x
  2. Step 2: Convert to fraction form
    1,133,552/1,564,278 = 624,258.56/x
  3. Step 3: Cross multiply
    1,133,552x = 1,564,278 × 624,258.56
  4. Step 4: Simplify right side
    1,133,552x = 976,513,931,719.68
  5. Step 5: Solve for x
    x = 976,513,931,719.68/1,133,552
  6. Step 6: Final answer
    x = 861,463.73

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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.