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Finding the Fourth Proportional to 315,598.06, 473,401.14 and 105,235.93

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Solution

The fourth proportional to 315,598.06, 473,401.14 and 105,235.93 is: 157,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,598.06 : 473,401.14 = 105,235.93 : x
  2. Step 2: Convert to fraction form
    315,598.06/473,401.14 = 105,235.93/x
  3. Step 3: Cross multiply
    315,598.06x = 473,401.14 × 105,235.93
  4. Step 4: Simplify right side
    315,598.06x = 49,818,809,230.96
  5. Step 5: Solve for x
    x = 49,818,809,230.96/315,598.06
  6. Step 6: Final answer
    x = 157,855.25

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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.