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Finding the Fourth Proportional to 453,830.94, 626,281.51 and 249,877.60

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Solution

The fourth proportional to 453,830.94, 626,281.51 and 249,877.60 is: 344,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,830.94 : 626,281.51 = 249,877.60 : x
  2. Step 2: Convert to fraction form
    453,830.94/626,281.51 = 249,877.60/x
  3. Step 3: Cross multiply
    453,830.94x = 626,281.51 × 249,877.60
  4. Step 4: Simplify right side
    453,830.94x = 156,493,720,643.18
  5. Step 5: Solve for x
    x = 156,493,720,643.18/453,830.94
  6. Step 6: Final answer
    x = 344,828.23

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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.