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Finding the Fourth Proportional to 453,858.78, 626,329.77 and 249,928.67

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Solution

The fourth proportional to 453,858.78, 626,329.77 and 249,928.67 is: 344,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,858.78 : 626,329.77 = 249,928.67 : x
  2. Step 2: Convert to fraction form
    453,858.78/626,329.77 = 249,928.67/x
  3. Step 3: Cross multiply
    453,858.78x = 626,329.77 × 249,928.67
  4. Step 4: Simplify right side
    453,858.78x = 156,537,766,397.51
  5. Step 5: Solve for x
    x = 156,537,766,397.51/453,858.78
  6. Step 6: Final answer
    x = 344,904.13

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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.