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Finding the Fourth Proportional to 259,547.16, 389,320.74 and 62,555.16

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Solution

The fourth proportional to 259,547.16, 389,320.74 and 62,555.16 is: 93,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,547.16 : 389,320.74 = 62,555.16 : x
  2. Step 2: Convert to fraction form
    259,547.16/389,320.74 = 62,555.16/x
  3. Step 3: Cross multiply
    259,547.16x = 389,320.74 × 62,555.16
  4. Step 4: Simplify right side
    259,547.16x = 24,354,021,182.02
  5. Step 5: Solve for x
    x = 24,354,021,182.02/259,547.16
  6. Step 6: Final answer
    x = 93,832.74

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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.