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Finding the Fourth Proportional to 453,645.60, 626,025.96 and 249,692.16

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Solution

The fourth proportional to 453,645.60, 626,025.96 and 249,692.16 is: 344,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,645.60 : 626,025.96 = 249,692.16 : x
  2. Step 2: Convert to fraction form
    453,645.60/626,025.96 = 249,692.16/x
  3. Step 3: Cross multiply
    453,645.60x = 626,025.96 × 249,692.16
  4. Step 4: Simplify right side
    453,645.60x = 156,313,774,168.47
  5. Step 5: Solve for x
    x = 156,313,774,168.47/453,645.60
  6. Step 6: Final answer
    x = 344,572.45

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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.