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Finding the Fourth Proportional to 602,157.60, 901,486.80 and 402,703.20

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Solution

The fourth proportional to 602,157.60, 901,486.80 and 402,703.20 is: 602,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,157.60 : 901,486.80 = 402,703.20 : x
  2. Step 2: Convert to fraction form
    602,157.60/901,486.80 = 402,703.20/x
  3. Step 3: Cross multiply
    602,157.60x = 901,486.80 × 402,703.20
  4. Step 4: Simplify right side
    602,157.60x = 363,031,619,117.76
  5. Step 5: Solve for x
    x = 363,031,619,117.76/602,157.60
  6. Step 6: Final answer
    x = 602,884.73

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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.