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Finding the Fourth Proportional to 623,906.30, 934,477.05 and 483,208.70

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Solution

The fourth proportional to 623,906.30, 934,477.05 and 483,208.70 is: 723,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,906.30 : 934,477.05 = 483,208.70 : x
  2. Step 2: Convert to fraction form
    623,906.30/934,477.05 = 483,208.70/x
  3. Step 3: Cross multiply
    623,906.30x = 934,477.05 × 483,208.70
  4. Step 4: Simplify right side
    623,906.30x = 451,547,440,510.34
  5. Step 5: Solve for x
    x = 451,547,440,510.34/623,906.30
  6. Step 6: Final answer
    x = 723,742.40

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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.