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Finding the Fourth Proportional to 615,239.71, 848,904.00 and 353,544.40

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Solution

The fourth proportional to 615,239.71, 848,904.00 and 353,544.40 is: 487,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,239.71 : 848,904.00 = 353,544.40 : x
  2. Step 2: Convert to fraction form
    615,239.71/848,904.00 = 353,544.40/x
  3. Step 3: Cross multiply
    615,239.71x = 848,904.00 × 353,544.40
  4. Step 4: Simplify right side
    615,239.71x = 300,125,254,099.20
  5. Step 5: Solve for x
    x = 300,125,254,099.20/615,239.71
  6. Step 6: Final answer
    x = 487,818.41

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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.