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Finding the Fourth Proportional to 836,602.03, 1,154,609.22 and 497,070.28

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Solution

The fourth proportional to 836,602.03, 1,154,609.22 and 497,070.28 is: 686,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,602.03 : 1,154,609.22 = 497,070.28 : x
  2. Step 2: Convert to fraction form
    836,602.03/1,154,609.22 = 497,070.28/x
  3. Step 3: Cross multiply
    836,602.03x = 1,154,609.22 × 497,070.28
  4. Step 4: Simplify right side
    836,602.03x = 573,921,931,583.26
  5. Step 5: Solve for x
    x = 573,921,931,583.26/836,602.03
  6. Step 6: Final answer
    x = 686,015.47

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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.