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Finding the Fourth Proportional to 595,624.40, 891,881.40 and 384,117.20

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Solution

The fourth proportional to 595,624.40, 891,881.40 and 384,117.20 is: 575,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,624.40 : 891,881.40 = 384,117.20 : x
  2. Step 2: Convert to fraction form
    595,624.40/891,881.40 = 384,117.20/x
  3. Step 3: Cross multiply
    595,624.40x = 891,881.40 × 384,117.20
  4. Step 4: Simplify right side
    595,624.40x = 342,586,986,100.08
  5. Step 5: Solve for x
    x = 342,586,986,100.08/595,624.40
  6. Step 6: Final answer
    x = 575,172.85

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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.