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Finding the Fourth Proportional to 368,868.60, 553,302.90 and 366,244.20

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Solution

The fourth proportional to 368,868.60, 553,302.90 and 366,244.20 is: 549,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,868.60 : 553,302.90 = 366,244.20 : x
  2. Step 2: Convert to fraction form
    368,868.60/553,302.90 = 366,244.20/x
  3. Step 3: Cross multiply
    368,868.60x = 553,302.90 × 366,244.20
  4. Step 4: Simplify right side
    368,868.60x = 202,643,977,968.18
  5. Step 5: Solve for x
    x = 202,643,977,968.18/368,868.60
  6. Step 6: Final answer
    x = 549,366.30

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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.