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Finding the Fourth Proportional to 968,019.20, 1,452,547.20 and 407,110.40

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Solution

The fourth proportional to 968,019.20, 1,452,547.20 and 407,110.40 is: 610,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,019.20 : 1,452,547.20 = 407,110.40 : x
  2. Step 2: Convert to fraction form
    968,019.20/1,452,547.20 = 407,110.40/x
  3. Step 3: Cross multiply
    968,019.20x = 1,452,547.20 × 407,110.40
  4. Step 4: Simplify right side
    968,019.20x = 591,347,071,610.88
  5. Step 5: Solve for x
    x = 591,347,071,610.88/968,019.20
  6. Step 6: Final answer
    x = 610,883.62

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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.