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Finding the Fourth Proportional to 601,553.60, 830,088.76 and 346,855.58

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Solution

The fourth proportional to 601,553.60, 830,088.76 and 346,855.58 is: 478,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,553.60 : 830,088.76 = 346,855.58 : x
  2. Step 2: Convert to fraction form
    601,553.60/830,088.76 = 346,855.58/x
  3. Step 3: Cross multiply
    601,553.60x = 830,088.76 × 346,855.58
  4. Step 4: Simplify right side
    601,553.60x = 287,920,918,301.28
  5. Step 5: Solve for x
    x = 287,920,918,301.28/601,553.60
  6. Step 6: Final answer
    x = 478,628.87

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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.