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Finding the Fourth Proportional to 634,519.24, 875,661.08 and 348,051.40

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Solution

The fourth proportional to 634,519.24, 875,661.08 and 348,051.40 is: 480,324.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,519.24 : 875,661.08 = 348,051.40 : x
  2. Step 2: Convert to fraction form
    634,519.24/875,661.08 = 348,051.40/x
  3. Step 3: Cross multiply
    634,519.24x = 875,661.08 × 348,051.40
  4. Step 4: Simplify right side
    634,519.24x = 304,775,064,819.51
  5. Step 5: Solve for x
    x = 304,775,064,819.51/634,519.24
  6. Step 6: Final answer
    x = 480,324.39

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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.