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Finding the Fourth Proportional to 484,632.90, 727,095.15 and 260,100.90

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Solution

The fourth proportional to 484,632.90, 727,095.15 and 260,100.90 is: 390,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,632.90 : 727,095.15 = 260,100.90 : x
  2. Step 2: Convert to fraction form
    484,632.90/727,095.15 = 260,100.90/x
  3. Step 3: Cross multiply
    484,632.90x = 727,095.15 × 260,100.90
  4. Step 4: Simplify right side
    484,632.90x = 189,118,102,900.64
  5. Step 5: Solve for x
    x = 189,118,102,900.64/484,632.90
  6. Step 6: Final answer
    x = 390,229.60

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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.