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Finding the Fourth Proportional to 346,311.45, 483,655.05 and 346,311.45

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Solution

The fourth proportional to 346,311.45, 483,655.05 and 346,311.45 is: 483,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,311.45 : 483,655.05 = 346,311.45 : x
  2. Step 2: Convert to fraction form
    346,311.45/483,655.05 = 346,311.45/x
  3. Step 3: Cross multiply
    346,311.45x = 483,655.05 × 346,311.45
  4. Step 4: Simplify right side
    346,311.45x = 167,495,281,665.32
  5. Step 5: Solve for x
    x = 167,495,281,665.32/346,311.45
  6. Step 6: Final answer
    x = 483,655.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.