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Finding the Fourth Proportional to 453,648.60, 626,030.10 and 249,695.16

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Solution

The fourth proportional to 453,648.60, 626,030.10 and 249,695.16 is: 344,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,648.60 : 626,030.10 = 249,695.16 : x
  2. Step 2: Convert to fraction form
    453,648.60/626,030.10 = 249,695.16/x
  3. Step 3: Cross multiply
    453,648.60x = 626,030.10 × 249,695.16
  4. Step 4: Simplify right side
    453,648.60x = 156,316,685,984.32
  5. Step 5: Solve for x
    x = 156,316,685,984.32/453,648.60
  6. Step 6: Final answer
    x = 344,576.59

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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.