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Finding the Fourth Proportional to 537,411.36, 741,730.32 and 355,802.88

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Solution

The fourth proportional to 537,411.36, 741,730.32 and 355,802.88 is: 491,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,411.36 : 741,730.32 = 355,802.88 : x
  2. Step 2: Convert to fraction form
    537,411.36/741,730.32 = 355,802.88/x
  3. Step 3: Cross multiply
    537,411.36x = 741,730.32 × 355,802.88
  4. Step 4: Simplify right side
    537,411.36x = 263,909,784,039.32
  5. Step 5: Solve for x
    x = 263,909,784,039.32/537,411.36
  6. Step 6: Final answer
    x = 491,075.93

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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.