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Finding the Fourth Proportional to 602,918, 832,030.08 and 376,694.72

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Solution

The fourth proportional to 602,918, 832,030.08 and 376,694.72 is: 519,840.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,918 : 832,030.08 = 376,694.72 : x
  2. Step 2: Convert to fraction form
    602,918/832,030.08 = 376,694.72/x
  3. Step 3: Cross multiply
    602,918x = 832,030.08 × 376,694.72
  4. Step 4: Simplify right side
    602,918x = 313,421,338,017.18
  5. Step 5: Solve for x
    x = 313,421,338,017.18/602,918
  6. Step 6: Final answer
    x = 519,840.74

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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.