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Finding the Fourth Proportional to 633,442.56, 874,148.16 and 346,962.24

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Solution

The fourth proportional to 633,442.56, 874,148.16 and 346,962.24 is: 478,806.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,442.56 : 874,148.16 = 346,962.24 : x
  2. Step 2: Convert to fraction form
    633,442.56/874,148.16 = 346,962.24/x
  3. Step 3: Cross multiply
    633,442.56x = 874,148.16 × 346,962.24
  4. Step 4: Simplify right side
    633,442.56x = 303,296,403,685.48
  5. Step 5: Solve for x
    x = 303,296,403,685.48/633,442.56
  6. Step 6: Final answer
    x = 478,806.48

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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.