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Finding the Fourth Proportional to 543,283.57, 749,693.82 and 301,547.13

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Solution

The fourth proportional to 543,283.57, 749,693.82 and 301,547.13 is: 416,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,283.57 : 749,693.82 = 301,547.13 : x
  2. Step 2: Convert to fraction form
    543,283.57/749,693.82 = 301,547.13/x
  3. Step 3: Cross multiply
    543,283.57x = 749,693.82 × 301,547.13
  4. Step 4: Simplify right side
    543,283.57x = 226,068,019,799.74
  5. Step 5: Solve for x
    x = 226,068,019,799.74/543,283.57
  6. Step 6: Final answer
    x = 416,114.22

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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.