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Finding the Fourth Proportional to 615,087.12, 848,800.98 and 360,607.80

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Solution

The fourth proportional to 615,087.12, 848,800.98 and 360,607.80 is: 497,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,087.12 : 848,800.98 = 360,607.80 : x
  2. Step 2: Convert to fraction form
    615,087.12/848,800.98 = 360,607.80/x
  3. Step 3: Cross multiply
    615,087.12x = 848,800.98 × 360,607.80
  4. Step 4: Simplify right side
    615,087.12x = 306,084,254,035.64
  5. Step 5: Solve for x
    x = 306,084,254,035.64/615,087.12
  6. Step 6: Final answer
    x = 497,627.48

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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.