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Finding the Fourth Proportional to 346,752.81, 520,235.46 and 310,988.07

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Solution

The fourth proportional to 346,752.81, 520,235.46 and 310,988.07 is: 466,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,752.81 : 520,235.46 = 310,988.07 : x
  2. Step 2: Convert to fraction form
    346,752.81/520,235.46 = 310,988.07/x
  3. Step 3: Cross multiply
    346,752.81x = 520,235.46 × 310,988.07
  4. Step 4: Simplify right side
    346,752.81x = 161,787,021,650.96
  5. Step 5: Solve for x
    x = 161,787,021,650.96/346,752.81
  6. Step 6: Final answer
    x = 466,577.39

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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.