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Finding the Fourth Proportional to 575,384.40, 863,076.60 and 201,445.20

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Solution

The fourth proportional to 575,384.40, 863,076.60 and 201,445.20 is: 302,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,384.40 : 863,076.60 = 201,445.20 : x
  2. Step 2: Convert to fraction form
    575,384.40/863,076.60 = 201,445.20/x
  3. Step 3: Cross multiply
    575,384.40x = 863,076.60 × 201,445.20
  4. Step 4: Simplify right side
    575,384.40x = 173,862,638,302.32
  5. Step 5: Solve for x
    x = 173,862,638,302.32/575,384.40
  6. Step 6: Final answer
    x = 302,167.80

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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.