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Finding the Fourth Proportional to 448,070.04, 618,307.83 and 266,795.28

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Solution

The fourth proportional to 448,070.04, 618,307.83 and 266,795.28 is: 368,160.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,070.04 : 618,307.83 = 266,795.28 : x
  2. Step 2: Convert to fraction form
    448,070.04/618,307.83 = 266,795.28/x
  3. Step 3: Cross multiply
    448,070.04x = 618,307.83 × 266,795.28
  4. Step 4: Simplify right side
    448,070.04x = 164,961,610,631.04
  5. Step 5: Solve for x
    x = 164,961,610,631.04/448,070.04
  6. Step 6: Final answer
    x = 368,160.32

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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.