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Finding the Fourth Proportional to 502,031.01, 692,802.72 and 272,587.17

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Solution

The fourth proportional to 502,031.01, 692,802.72 and 272,587.17 is: 376,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,031.01 : 692,802.72 = 272,587.17 : x
  2. Step 2: Convert to fraction form
    502,031.01/692,802.72 = 272,587.17/x
  3. Step 3: Cross multiply
    502,031.01x = 692,802.72 × 272,587.17
  4. Step 4: Simplify right side
    502,031.01x = 188,849,135,411.11
  5. Step 5: Solve for x
    x = 188,849,135,411.11/502,031.01
  6. Step 6: Final answer
    x = 376,170.26

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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.