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Finding the Fourth Proportional to 346,880.22, 520,248.82 and 133,574.93

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Solution

The fourth proportional to 346,880.22, 520,248.82 and 133,574.93 is: 200,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,880.22 : 520,248.82 = 133,574.93 : x
  2. Step 2: Convert to fraction form
    346,880.22/520,248.82 = 133,574.93/x
  3. Step 3: Cross multiply
    346,880.22x = 520,248.82 × 133,574.93
  4. Step 4: Simplify right side
    346,880.22x = 69,492,199,714.08
  5. Step 5: Solve for x
    x = 69,492,199,714.08/346,880.22
  6. Step 6: Final answer
    x = 200,334.86

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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.