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Finding the Fourth Proportional to 340,547.68, 469,464.82 and 238,256.22

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Solution

The fourth proportional to 340,547.68, 469,464.82 and 238,256.22 is: 328,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,547.68 : 469,464.82 = 238,256.22 : x
  2. Step 2: Convert to fraction form
    340,547.68/469,464.82 = 238,256.22/x
  3. Step 3: Cross multiply
    340,547.68x = 469,464.82 × 238,256.22
  4. Step 4: Simplify right side
    340,547.68x = 111,852,913,436.18
  5. Step 5: Solve for x
    x = 111,852,913,436.18/340,547.68
  6. Step 6: Final answer
    x = 328,450.08

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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.