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Finding the Fourth Proportional to 1,249,776, 1,874,983.68 and 363,312

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Solution

The fourth proportional to 1,249,776, 1,874,983.68 and 363,312 is: 545,060.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,776 : 1,874,983.68 = 363,312 : x
  2. Step 2: Convert to fraction form
    1,249,776/1,874,983.68 = 363,312/x
  3. Step 3: Cross multiply
    1,249,776x = 1,874,983.68 × 363,312
  4. Step 4: Simplify right side
    1,249,776x = 681,204,070,748.16
  5. Step 5: Solve for x
    x = 681,204,070,748.16/1,249,776
  6. Step 6: Final answer
    x = 545,060.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.