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Finding the Fourth Proportional to 478,344.96, 716,188.68 and 240,967.92

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Solution

The fourth proportional to 478,344.96, 716,188.68 and 240,967.92 is: 360,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,344.96 : 716,188.68 = 240,967.92 : x
  2. Step 2: Convert to fraction form
    478,344.96/716,188.68 = 240,967.92/x
  3. Step 3: Cross multiply
    478,344.96x = 716,188.68 × 240,967.92
  4. Step 4: Simplify right side
    478,344.96x = 172,578,496,547.15
  5. Step 5: Solve for x
    x = 172,578,496,547.15/478,344.96
  6. Step 6: Final answer
    x = 360,782.51

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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.