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Finding the Fourth Proportional to 439,877.77, 607,030.93 and 238,673.77

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Solution

The fourth proportional to 439,877.77, 607,030.93 and 238,673.77 is: 329,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,877.77 : 607,030.93 = 238,673.77 : x
  2. Step 2: Convert to fraction form
    439,877.77/607,030.93 = 238,673.77/x
  3. Step 3: Cross multiply
    439,877.77x = 607,030.93 × 238,673.77
  4. Step 4: Simplify right side
    439,877.77x = 144,882,360,569.71
  5. Step 5: Solve for x
    x = 144,882,360,569.71/439,877.77
  6. Step 6: Final answer
    x = 329,369.59

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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.