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Finding the Fourth Proportional to 315,628.30, 473,442.45 and 94,012.30

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Solution

The fourth proportional to 315,628.30, 473,442.45 and 94,012.30 is: 141,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,628.30 : 473,442.45 = 94,012.30 : x
  2. Step 2: Convert to fraction form
    315,628.30/473,442.45 = 94,012.30/x
  3. Step 3: Cross multiply
    315,628.30x = 473,442.45 × 94,012.30
  4. Step 4: Simplify right side
    315,628.30x = 44,509,413,642.14
  5. Step 5: Solve for x
    x = 44,509,413,642.14/315,628.30
  6. Step 6: Final answer
    x = 141,018.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.