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Finding the Fourth Proportional to 522,030.20, 783,045.30 and 410,055.80

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Solution

The fourth proportional to 522,030.20, 783,045.30 and 410,055.80 is: 615,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,030.20 : 783,045.30 = 410,055.80 : x
  2. Step 2: Convert to fraction form
    522,030.20/783,045.30 = 410,055.80/x
  3. Step 3: Cross multiply
    522,030.20x = 783,045.30 × 410,055.80
  4. Step 4: Simplify right side
    522,030.20x = 321,092,266,927.74
  5. Step 5: Solve for x
    x = 321,092,266,927.74/522,030.20
  6. Step 6: Final answer
    x = 615,083.70

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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.