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Finding the Fourth Proportional to 614,453.72, 847,598.82 and 384,612.03

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Solution

The fourth proportional to 614,453.72, 847,598.82 and 384,612.03 is: 530,547.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,453.72 : 847,598.82 = 384,612.03 : x
  2. Step 2: Convert to fraction form
    614,453.72/847,598.82 = 384,612.03/x
  3. Step 3: Cross multiply
    614,453.72x = 847,598.82 × 384,612.03
  4. Step 4: Simplify right side
    614,453.72x = 325,996,702,785.81
  5. Step 5: Solve for x
    x = 325,996,702,785.81/614,453.72
  6. Step 6: Final answer
    x = 530,547.21

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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.