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Finding the Fourth Proportional to 584,152.40, 876,574.20 and 385,048.40

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Solution

The fourth proportional to 584,152.40, 876,574.20 and 385,048.40 is: 577,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,152.40 : 876,574.20 = 385,048.40 : x
  2. Step 2: Convert to fraction form
    584,152.40/876,574.20 = 385,048.40/x
  3. Step 3: Cross multiply
    584,152.40x = 876,574.20 × 385,048.40
  4. Step 4: Simplify right side
    584,152.40x = 337,523,493,191.28
  5. Step 5: Solve for x
    x = 337,523,493,191.28/584,152.40
  6. Step 6: Final answer
    x = 577,800.40

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Similar ratio
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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.