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Finding the Fourth Proportional to 524,492,595.60, 787,214,784.60 and 265,887,718.80

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Solution

The fourth proportional to 524,492,595.60, 787,214,784.60 and 265,887,718.80 is: 399,072,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,492,595.60 : 787,214,784.60 = 265,887,718.80 : x
  2. Step 2: Convert to fraction form
    524,492,595.60/787,214,784.60 = 265,887,718.80/x
  3. Step 3: Cross multiply
    524,492,595.60x = 787,214,784.60 × 265,887,718.80
  4. Step 4: Simplify right side
    524,492,595.60x = 209,310,743,282,927,392
  5. Step 5: Solve for x
    x = 209,310,743,282,927,392/524,492,595.60
  6. Step 6: Final answer
    x = 399,072,827.79

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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.