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Finding the Fourth Proportional to 539,547.95, 744,576.32 and 297,830.68

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Solution

The fourth proportional to 539,547.95, 744,576.32 and 297,830.68 is: 411,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,547.95 : 744,576.32 = 297,830.68 : x
  2. Step 2: Convert to fraction form
    539,547.95/744,576.32 = 297,830.68/x
  3. Step 3: Cross multiply
    539,547.95x = 744,576.32 × 297,830.68
  4. Step 4: Simplify right side
    539,547.95x = 221,757,671,697.50
  5. Step 5: Solve for x
    x = 221,757,671,697.50/539,547.95
  6. Step 6: Final answer
    x = 411,006.42

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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.