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Finding the Fourth Proportional to 468,465.47, 646,482.56 and 253,605.53

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Solution

The fourth proportional to 468,465.47, 646,482.56 and 253,605.53 is: 349,975.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,465.47 : 646,482.56 = 253,605.53 : x
  2. Step 2: Convert to fraction form
    468,465.47/646,482.56 = 253,605.53/x
  3. Step 3: Cross multiply
    468,465.47x = 646,482.56 × 253,605.53
  4. Step 4: Simplify right side
    468,465.47x = 163,951,552,264.56
  5. Step 5: Solve for x
    x = 163,951,552,264.56/468,465.47
  6. Step 6: Final answer
    x = 349,975.75

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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.