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Finding the Fourth Proportional to 634,533.92, 875,662.08 and 348,051.68

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Solution

The fourth proportional to 634,533.92, 875,662.08 and 348,051.68 is: 480,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,533.92 : 875,662.08 = 348,051.68 : x
  2. Step 2: Convert to fraction form
    634,533.92/875,662.08 = 348,051.68/x
  3. Step 3: Cross multiply
    634,533.92x = 875,662.08 × 348,051.68
  4. Step 4: Simplify right side
    634,533.92x = 304,775,658,056.29
  5. Step 5: Solve for x
    x = 304,775,658,056.29/634,533.92
  6. Step 6: Final answer
    x = 480,314.21

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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.