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Finding the Fourth Proportional to 885,054, 1,221,466.68 and 545,513.52

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Solution

The fourth proportional to 885,054, 1,221,466.68 and 545,513.52 is: 752,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,054 : 1,221,466.68 = 545,513.52 : x
  2. Step 2: Convert to fraction form
    885,054/1,221,466.68 = 545,513.52/x
  3. Step 3: Cross multiply
    885,054x = 1,221,466.68 × 545,513.52
  4. Step 4: Simplify right side
    885,054x = 666,326,588,169.51
  5. Step 5: Solve for x
    x = 666,326,588,169.51/885,054
  6. Step 6: Final answer
    x = 752,865.46

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Double scale
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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.