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Finding the Fourth Proportional to 669,684.76, 924,407.58 and 443,403.16

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Solution

The fourth proportional to 669,684.76, 924,407.58 and 443,403.16 is: 612,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,684.76 : 924,407.58 = 443,403.16 : x
  2. Step 2: Convert to fraction form
    669,684.76/924,407.58 = 443,403.16/x
  3. Step 3: Cross multiply
    669,684.76x = 924,407.58 × 443,403.16
  4. Step 4: Simplify right side
    669,684.76x = 409,885,242,099.95
  5. Step 5: Solve for x
    x = 409,885,242,099.95/669,684.76
  6. Step 6: Final answer
    x = 612,057.00

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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.