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Finding the Fourth Proportional to 357,990,561.60, 502,547,275.20 and 357,990,561.60

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Solution

The fourth proportional to 357,990,561.60, 502,547,275.20 and 357,990,561.60 is: 502,547,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,990,561.60 : 502,547,275.20 = 357,990,561.60 : x
  2. Step 2: Convert to fraction form
    357,990,561.60/502,547,275.20 = 357,990,561.60/x
  3. Step 3: Cross multiply
    357,990,561.60x = 502,547,275.20 × 357,990,561.60
  4. Step 4: Simplify right side
    357,990,561.60x = 179,907,181,279,397,760
  5. Step 5: Solve for x
    x = 179,907,181,279,397,760/357,990,561.60
  6. Step 6: Final answer
    x = 502,547,275.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.