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Finding the Fourth Proportional to 623,089.89, 934,642.33 and 173,783.40

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Solution

The fourth proportional to 623,089.89, 934,642.33 and 173,783.40 is: 260,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,089.89 : 934,642.33 = 173,783.40 : x
  2. Step 2: Convert to fraction form
    623,089.89/934,642.33 = 173,783.40/x
  3. Step 3: Cross multiply
    623,089.89x = 934,642.33 × 173,783.40
  4. Step 4: Simplify right side
    623,089.89x = 162,425,317,951.96
  5. Step 5: Solve for x
    x = 162,425,317,951.96/623,089.89
  6. Step 6: Final answer
    x = 260,677.18

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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.