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Finding the Fourth Proportional to 609,705.44, 841,423.68 and 367,984.16

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Solution

The fourth proportional to 609,705.44, 841,423.68 and 367,984.16 is: 507,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,705.44 : 841,423.68 = 367,984.16 : x
  2. Step 2: Convert to fraction form
    609,705.44/841,423.68 = 367,984.16/x
  3. Step 3: Cross multiply
    609,705.44x = 841,423.68 × 367,984.16
  4. Step 4: Simplify right side
    609,705.44x = 309,630,586,088.91
  5. Step 5: Solve for x
    x = 309,630,586,088.91/609,705.44
  6. Step 6: Final answer
    x = 507,836.35

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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.