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Finding the Fourth Proportional to 346,767.04, 478,463.28 and 201,599.20

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Solution

The fourth proportional to 346,767.04, 478,463.28 and 201,599.20 is: 278,163.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,767.04 : 478,463.28 = 201,599.20 : x
  2. Step 2: Convert to fraction form
    346,767.04/478,463.28 = 201,599.20/x
  3. Step 3: Cross multiply
    346,767.04x = 478,463.28 × 201,599.20
  4. Step 4: Simplify right side
    346,767.04x = 96,457,814,477.38
  5. Step 5: Solve for x
    x = 96,457,814,477.38/346,767.04
  6. Step 6: Final answer
    x = 278,163.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.