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Finding the Fourth Proportional to 468,155.59, 646,054.71 and 253,295.64

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Solution

The fourth proportional to 468,155.59, 646,054.71 and 253,295.64 is: 349,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,155.59 : 646,054.71 = 253,295.64 : x
  2. Step 2: Convert to fraction form
    468,155.59/646,054.71 = 253,295.64/x
  3. Step 3: Cross multiply
    468,155.59x = 646,054.71 × 253,295.64
  4. Step 4: Simplify right side
    468,155.59x = 163,642,841,244.46
  5. Step 5: Solve for x
    x = 163,642,841,244.46/468,155.59
  6. Step 6: Final answer
    x = 349,547.98

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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.