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Finding the Fourth Proportional to 468,303.36, 646,258.68 and 253,444.98

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Solution

The fourth proportional to 468,303.36, 646,258.68 and 253,444.98 is: 349,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,303.36 : 646,258.68 = 253,444.98 : x
  2. Step 2: Convert to fraction form
    468,303.36/646,258.68 = 253,444.98/x
  3. Step 3: Cross multiply
    468,303.36x = 646,258.68 × 253,444.98
  4. Step 4: Simplify right side
    468,303.36x = 163,791,018,227.43
  5. Step 5: Solve for x
    x = 163,791,018,227.43/468,303.36
  6. Step 6: Final answer
    x = 349,754.10

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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.