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Finding the Fourth Proportional to 444,598.61, 613,378.60 and 291,721.19

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Solution

The fourth proportional to 444,598.61, 613,378.60 and 291,721.19 is: 402,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,598.61 : 613,378.60 = 291,721.19 : x
  2. Step 2: Convert to fraction form
    444,598.61/613,378.60 = 291,721.19/x
  3. Step 3: Cross multiply
    444,598.61x = 613,378.60 × 291,721.19
  4. Step 4: Simplify right side
    444,598.61x = 178,935,531,316.34
  5. Step 5: Solve for x
    x = 178,935,531,316.34/444,598.61
  6. Step 6: Final answer
    x = 402,465.35

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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.