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Finding the Fourth Proportional to 346,673.16, 478,360.80 and 193,692.24

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Solution

The fourth proportional to 346,673.16, 478,360.80 and 193,692.24 is: 267,268.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,673.16 : 478,360.80 = 193,692.24 : x
  2. Step 2: Convert to fraction form
    346,673.16/478,360.80 = 193,692.24/x
  3. Step 3: Cross multiply
    346,673.16x = 478,360.80 × 193,692.24
  4. Step 4: Simplify right side
    346,673.16x = 92,654,774,880.19
  5. Step 5: Solve for x
    x = 92,654,774,880.19/346,673.16
  6. Step 6: Final answer
    x = 267,268.38

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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.