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Finding the Fourth Proportional to 525,551.79, 785,447.73 and 383,695.77

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Solution

The fourth proportional to 525,551.79, 785,447.73 and 383,695.77 is: 573,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,551.79 : 785,447.73 = 383,695.77 : x
  2. Step 2: Convert to fraction form
    525,551.79/785,447.73 = 383,695.77/x
  3. Step 3: Cross multiply
    525,551.79x = 785,447.73 × 383,695.77
  4. Step 4: Simplify right side
    525,551.79x = 301,372,971,557.10
  5. Step 5: Solve for x
    x = 301,372,971,557.10/525,551.79
  6. Step 6: Final answer
    x = 573,441.05

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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.