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Finding the Fourth Proportional to 572,547.89, 790,213.27 and 330,970.51

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Solution

The fourth proportional to 572,547.89, 790,213.27 and 330,970.51 is: 456,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,547.89 : 790,213.27 = 330,970.51 : x
  2. Step 2: Convert to fraction form
    572,547.89/790,213.27 = 330,970.51/x
  3. Step 3: Cross multiply
    572,547.89x = 790,213.27 × 330,970.51
  4. Step 4: Simplify right side
    572,547.89x = 261,537,288,980.67
  5. Step 5: Solve for x
    x = 261,537,288,980.67/572,547.89
  6. Step 6: Final answer
    x = 456,795.48

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Double scale
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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.