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Finding the Fourth Proportional to 650,841.88, 976,952.94 and 576,445

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Solution

The fourth proportional to 650,841.88, 976,952.94 and 576,445 is: 865,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,841.88 : 976,952.94 = 576,445 : x
  2. Step 2: Convert to fraction form
    650,841.88/976,952.94 = 576,445/x
  3. Step 3: Cross multiply
    650,841.88x = 976,952.94 × 576,445
  4. Step 4: Simplify right side
    650,841.88x = 563,159,637,498.30
  5. Step 5: Solve for x
    x = 563,159,637,498.30/650,841.88
  6. Step 6: Final answer
    x = 865,278.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.