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Finding the Fourth Proportional to 476,448.75, 714,521.38 and 156,526.35

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Solution

The fourth proportional to 476,448.75, 714,521.38 and 156,526.35 is: 234,739.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,448.75 : 714,521.38 = 156,526.35 : x
  2. Step 2: Convert to fraction form
    476,448.75/714,521.38 = 156,526.35/x
  3. Step 3: Cross multiply
    476,448.75x = 714,521.38 × 156,526.35
  4. Step 4: Simplify right side
    476,448.75x = 111,841,423,608.36
  5. Step 5: Solve for x
    x = 111,841,423,608.36/476,448.75
  6. Step 6: Final answer
    x = 234,739.67

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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.