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Finding the Fourth Proportional to 660,582.01, 911,547.50 and 366,239.59

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Solution

The fourth proportional to 660,582.01, 911,547.50 and 366,239.59 is: 505,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,582.01 : 911,547.50 = 366,239.59 : x
  2. Step 2: Convert to fraction form
    660,582.01/911,547.50 = 366,239.59/x
  3. Step 3: Cross multiply
    660,582.01x = 911,547.50 × 366,239.59
  4. Step 4: Simplify right side
    660,582.01x = 333,844,782,665.53
  5. Step 5: Solve for x
    x = 333,844,782,665.53/660,582.01
  6. Step 6: Final answer
    x = 505,379.77

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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.