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Finding the Fourth Proportional to 525,472.37, 785,329.28 and 383,616.37

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Solution

The fourth proportional to 525,472.37, 785,329.28 and 383,616.37 is: 573,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,472.37 : 785,329.28 = 383,616.37 : x
  2. Step 2: Convert to fraction form
    525,472.37/785,329.28 = 383,616.37/x
  3. Step 3: Cross multiply
    525,472.37x = 785,329.28 × 383,616.37
  4. Step 4: Simplify right side
    525,472.37x = 301,265,168,607.36
  5. Step 5: Solve for x
    x = 301,265,168,607.36/525,472.37
  6. Step 6: Final answer
    x = 573,322.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.