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Finding the Fourth Proportional to 884,598.52, 1,220,361.54 and 562,135.96

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Solution

The fourth proportional to 884,598.52, 1,220,361.54 and 562,135.96 is: 775,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,598.52 : 1,220,361.54 = 562,135.96 : x
  2. Step 2: Convert to fraction form
    884,598.52/1,220,361.54 = 562,135.96/x
  3. Step 3: Cross multiply
    884,598.52x = 1,220,361.54 × 562,135.96
  4. Step 4: Simplify right side
    884,598.52x = 686,009,105,834.98
  5. Step 5: Solve for x
    x = 686,009,105,834.98/884,598.52
  6. Step 6: Final answer
    x = 775,503.34

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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.