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Finding the Fourth Proportional to 630,553.80, 945,830.70 and 596,339.40

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Solution

The fourth proportional to 630,553.80, 945,830.70 and 596,339.40 is: 894,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,553.80 : 945,830.70 = 596,339.40 : x
  2. Step 2: Convert to fraction form
    630,553.80/945,830.70 = 596,339.40/x
  3. Step 3: Cross multiply
    630,553.80x = 945,830.70 × 596,339.40
  4. Step 4: Simplify right side
    630,553.80x = 564,036,112,139.58
  5. Step 5: Solve for x
    x = 564,036,112,139.58/630,553.80
  6. Step 6: Final answer
    x = 894,509.10

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Double scale
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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.