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Finding the Fourth Proportional to 648,332.70, 972,207.45 and 248,840.70

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Solution

The fourth proportional to 648,332.70, 972,207.45 and 248,840.70 is: 373,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,332.70 : 972,207.45 = 248,840.70 : x
  2. Step 2: Convert to fraction form
    648,332.70/972,207.45 = 248,840.70/x
  3. Step 3: Cross multiply
    648,332.70x = 972,207.45 × 248,840.70
  4. Step 4: Simplify right side
    648,332.70x = 241,924,782,403.22
  5. Step 5: Solve for x
    x = 241,924,782,403.22/648,332.70
  6. Step 6: Final answer
    x = 373,149.13

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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.