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Finding the Fourth Proportional to 567,503.04, 783,134.04 and 309,374.64

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Solution

The fourth proportional to 567,503.04, 783,134.04 and 309,374.64 is: 426,926.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,503.04 : 783,134.04 = 309,374.64 : x
  2. Step 2: Convert to fraction form
    567,503.04/783,134.04 = 309,374.64/x
  3. Step 3: Cross multiply
    567,503.04x = 783,134.04 × 309,374.64
  4. Step 4: Simplify right side
    567,503.04x = 242,281,811,696.75
  5. Step 5: Solve for x
    x = 242,281,811,696.75/567,503.04
  6. Step 6: Final answer
    x = 426,926.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.