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Finding the Fourth Proportional to 549,813,715.80, 824,720,573.70 and 549,813,715.80

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Solution

The fourth proportional to 549,813,715.80, 824,720,573.70 and 549,813,715.80 is: 824,720,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,813,715.80 : 824,720,573.70 = 549,813,715.80 : x
  2. Step 2: Convert to fraction form
    549,813,715.80/824,720,573.70 = 549,813,715.80/x
  3. Step 3: Cross multiply
    549,813,715.80x = 824,720,573.70 × 549,813,715.80
  4. Step 4: Simplify right side
    549,813,715.80x = 453,442,683,122,704,768
  5. Step 5: Solve for x
    x = 453,442,683,122,704,768/549,813,715.80
  6. Step 6: Final answer
    x = 824,720,573.70

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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.