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Finding the Fourth Proportional to 683,214.51, 942,825.31 and 377,283.28

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Solution

The fourth proportional to 683,214.51, 942,825.31 and 377,283.28 is: 520,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,214.51 : 942,825.31 = 377,283.28 : x
  2. Step 2: Convert to fraction form
    683,214.51/942,825.31 = 377,283.28/x
  3. Step 3: Cross multiply
    683,214.51x = 942,825.31 × 377,283.28
  4. Step 4: Simplify right side
    683,214.51x = 355,712,225,423.82
  5. Step 5: Solve for x
    x = 355,712,225,423.82/683,214.51
  6. Step 6: Final answer
    x = 520,645.01

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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.