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Finding the Fourth Proportional to 318,317.58, 477,506.34 and 93,678.12

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Solution

The fourth proportional to 318,317.58, 477,506.34 and 93,678.12 is: 140,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,317.58 : 477,506.34 = 93,678.12 : x
  2. Step 2: Convert to fraction form
    318,317.58/477,506.34 = 93,678.12/x
  3. Step 3: Cross multiply
    318,317.58x = 477,506.34 × 93,678.12
  4. Step 4: Simplify right side
    318,317.58x = 44,731,896,219.28
  5. Step 5: Solve for x
    x = 44,731,896,219.28/318,317.58
  6. Step 6: Final answer
    x = 140,526.00

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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.