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Finding the Fourth Proportional to 560,466.23, 773,460.48 and 318,783.62

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Solution

The fourth proportional to 560,466.23, 773,460.48 and 318,783.62 is: 439,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,466.23 : 773,460.48 = 318,783.62 : x
  2. Step 2: Convert to fraction form
    560,466.23/773,460.48 = 318,783.62/x
  3. Step 3: Cross multiply
    560,466.23x = 773,460.48 × 318,783.62
  4. Step 4: Simplify right side
    560,466.23x = 246,566,527,874.04
  5. Step 5: Solve for x
    x = 246,566,527,874.04/560,466.23
  6. Step 6: Final answer
    x = 439,931.11

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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.