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Finding the Fourth Proportional to 634,516.24, 875,656.92 and 348,048.40

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Solution

The fourth proportional to 634,516.24, 875,656.92 and 348,048.40 is: 480,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,516.24 : 875,656.92 = 348,048.40 : x
  2. Step 2: Convert to fraction form
    634,516.24/875,656.92 = 348,048.40/x
  3. Step 3: Cross multiply
    634,516.24x = 875,656.92 × 348,048.40
  4. Step 4: Simplify right side
    634,516.24x = 304,770,989,954.93
  5. Step 5: Solve for x
    x = 304,770,989,954.93/634,516.24
  6. Step 6: Final answer
    x = 480,320.24

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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.