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Finding the Fourth Proportional to 485,547.35, 670,058.26 and 270,701.06

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Solution

The fourth proportional to 485,547.35, 670,058.26 and 270,701.06 is: 373,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,547.35 : 670,058.26 = 270,701.06 : x
  2. Step 2: Convert to fraction form
    485,547.35/670,058.26 = 270,701.06/x
  3. Step 3: Cross multiply
    485,547.35x = 670,058.26 × 270,701.06
  4. Step 4: Simplify right side
    485,547.35x = 181,385,477,216.71
  5. Step 5: Solve for x
    x = 181,385,477,216.71/485,547.35
  6. Step 6: Final answer
    x = 373,569.08

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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.