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Finding the Fourth Proportional to 346,818, 478,647.72 and 195,924.72

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Solution

The fourth proportional to 346,818, 478,647.72 and 195,924.72 is: 270,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,818 : 478,647.72 = 195,924.72 : x
  2. Step 2: Convert to fraction form
    346,818/478,647.72 = 195,924.72/x
  3. Step 3: Cross multiply
    346,818x = 478,647.72 × 195,924.72
  4. Step 4: Simplify right side
    346,818x = 93,778,920,519.64
  5. Step 5: Solve for x
    x = 93,778,920,519.64/346,818
  6. Step 6: Final answer
    x = 270,398.08

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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.