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Finding the Fourth Proportional to 445,630.47, 614,970.33 and 241,681.32

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Solution

The fourth proportional to 445,630.47, 614,970.33 and 241,681.32 is: 333,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,630.47 : 614,970.33 = 241,681.32 : x
  2. Step 2: Convert to fraction form
    445,630.47/614,970.33 = 241,681.32/x
  3. Step 3: Cross multiply
    445,630.47x = 614,970.33 × 241,681.32
  4. Step 4: Simplify right side
    445,630.47x = 148,626,841,115.24
  5. Step 5: Solve for x
    x = 148,626,841,115.24/445,630.47
  6. Step 6: Final answer
    x = 333,520.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.