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Finding the Fourth Proportional to 497,010.20, 745,904.10 and 230,803.70

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Solution

The fourth proportional to 497,010.20, 745,904.10 and 230,803.70 is: 346,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,010.20 : 745,904.10 = 230,803.70 : x
  2. Step 2: Convert to fraction form
    497,010.20/745,904.10 = 230,803.70/x
  3. Step 3: Cross multiply
    497,010.20x = 745,904.10 × 230,803.70
  4. Step 4: Simplify right side
    497,010.20x = 172,157,426,125.17
  5. Step 5: Solve for x
    x = 172,157,426,125.17/497,010.20
  6. Step 6: Final answer
    x = 346,386.10

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1.5x scale

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.