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Finding the Fourth Proportional to 705,571.16, 973,695.12 and 383,283.86

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Solution

The fourth proportional to 705,571.16, 973,695.12 and 383,283.86 is: 528,935.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,571.16 : 973,695.12 = 383,283.86 : x
  2. Step 2: Convert to fraction form
    705,571.16/973,695.12 = 383,283.86/x
  3. Step 3: Cross multiply
    705,571.16x = 973,695.12 × 383,283.86
  4. Step 4: Simplify right side
    705,571.16x = 373,201,624,056.76
  5. Step 5: Solve for x
    x = 373,201,624,056.76/705,571.16
  6. Step 6: Final answer
    x = 528,935.49

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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.