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Finding the Fourth Proportional to 553,904.42, 830,856.60 and 175,091.22

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Solution

The fourth proportional to 553,904.42, 830,856.60 and 175,091.22 is: 262,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,904.42 : 830,856.60 = 175,091.22 : x
  2. Step 2: Convert to fraction form
    553,904.42/830,856.60 = 175,091.22/x
  3. Step 3: Cross multiply
    553,904.42x = 830,856.60 × 175,091.22
  4. Step 4: Simplify right side
    553,904.42x = 145,475,695,739.05
  5. Step 5: Solve for x
    x = 145,475,695,739.05/553,904.42
  6. Step 6: Final answer
    x = 262,636.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.