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Finding the Fourth Proportional to 522,053.40, 783,080.10 and 433,483.80

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Solution

The fourth proportional to 522,053.40, 783,080.10 and 433,483.80 is: 650,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,053.40 : 783,080.10 = 433,483.80 : x
  2. Step 2: Convert to fraction form
    522,053.40/783,080.10 = 433,483.80/x
  3. Step 3: Cross multiply
    522,053.40x = 783,080.10 × 433,483.80
  4. Step 4: Simplify right side
    522,053.40x = 339,452,537,452.38
  5. Step 5: Solve for x
    x = 339,452,537,452.38/522,053.40
  6. Step 6: Final answer
    x = 650,225.70

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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.