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Finding the Fourth Proportional to 615,226.04, 849,032.40 and 357,083.72

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Solution

The fourth proportional to 615,226.04, 849,032.40 and 357,083.72 is: 492,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,226.04 : 849,032.40 = 357,083.72 : x
  2. Step 2: Convert to fraction form
    615,226.04/849,032.40 = 357,083.72/x
  3. Step 3: Cross multiply
    615,226.04x = 849,032.40 × 357,083.72
  4. Step 4: Simplify right side
    615,226.04x = 303,175,647,792.53
  5. Step 5: Solve for x
    x = 303,175,647,792.53/615,226.04
  6. Step 6: Final answer
    x = 492,787.41

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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.