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Finding the Fourth Proportional to 407,036.88, 607,590.59 and 377,020.17

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Solution

The fourth proportional to 407,036.88, 607,590.59 and 377,020.17 is: 562,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,036.88 : 607,590.59 = 377,020.17 : x
  2. Step 2: Convert to fraction form
    407,036.88/607,590.59 = 377,020.17/x
  3. Step 3: Cross multiply
    407,036.88x = 607,590.59 × 377,020.17
  4. Step 4: Simplify right side
    407,036.88x = 229,073,905,647.10
  5. Step 5: Solve for x
    x = 229,073,905,647.10/407,036.88
  6. Step 6: Final answer
    x = 562,784.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.