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Finding the Fourth Proportional to 611,683.52, 844,430.06 and 382,368.36

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Solution

The fourth proportional to 611,683.52, 844,430.06 and 382,368.36 is: 527,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,683.52 : 844,430.06 = 382,368.36 : x
  2. Step 2: Convert to fraction form
    611,683.52/844,430.06 = 382,368.36/x
  3. Step 3: Cross multiply
    611,683.52x = 844,430.06 × 382,368.36
  4. Step 4: Simplify right side
    611,683.52x = 322,883,338,132.82
  5. Step 5: Solve for x
    x = 322,883,338,132.82/611,683.52
  6. Step 6: Final answer
    x = 527,860.13

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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.