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Finding the Fourth Proportional to 539,205.60, 744,106.32 and 297,488.16

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Solution

The fourth proportional to 539,205.60, 744,106.32 and 297,488.16 is: 410,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,205.60 : 744,106.32 = 297,488.16 : x
  2. Step 2: Convert to fraction form
    539,205.60/744,106.32 = 297,488.16/x
  3. Step 3: Cross multiply
    539,205.60x = 744,106.32 × 297,488.16
  4. Step 4: Simplify right side
    539,205.60x = 221,362,819,981.17
  5. Step 5: Solve for x
    x = 221,362,819,981.17/539,205.60
  6. Step 6: Final answer
    x = 410,535.09

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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.