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Finding the Fourth Proportional to 683,973.65, 943,881.65 and 382,167.89

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Solution

The fourth proportional to 683,973.65, 943,881.65 and 382,167.89 is: 527,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,973.65 : 943,881.65 = 382,167.89 : x
  2. Step 2: Convert to fraction form
    683,973.65/943,881.65 = 382,167.89/x
  3. Step 3: Cross multiply
    683,973.65x = 943,881.65 × 382,167.89
  4. Step 4: Simplify right side
    683,973.65x = 360,721,254,826.23
  5. Step 5: Solve for x
    x = 360,721,254,826.23/683,973.65
  6. Step 6: Final answer
    x = 527,390.58

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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.