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Finding the Fourth Proportional to 704,854.94, 972,673.80 and 382,558.12

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Solution

The fourth proportional to 704,854.94, 972,673.80 and 382,558.12 is: 527,916.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,854.94 : 972,673.80 = 382,558.12 : x
  2. Step 2: Convert to fraction form
    704,854.94/972,673.80 = 382,558.12/x
  3. Step 3: Cross multiply
    704,854.94x = 972,673.80 × 382,558.12
  4. Step 4: Simplify right side
    704,854.94x = 372,104,255,328.51
  5. Step 5: Solve for x
    x = 372,104,255,328.51/704,854.94
  6. Step 6: Final answer
    x = 527,916.08

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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.