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Finding the Fourth Proportional to 1,931,263.02, 2,896,883.01 and 1,050,397.74

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Solution

The fourth proportional to 1,931,263.02, 2,896,883.01 and 1,050,397.74 is: 1,575,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,263.02 : 2,896,883.01 = 1,050,397.74 : x
  2. Step 2: Convert to fraction form
    1,931,263.02/2,896,883.01 = 1,050,397.74/x
  3. Step 3: Cross multiply
    1,931,263.02x = 2,896,883.01 × 1,050,397.74
  4. Step 4: Simplify right side
    1,931,263.02x = 3,042,879,366,748.40
  5. Step 5: Solve for x
    x = 3,042,879,366,748.40/1,931,263.02
  6. Step 6: Final answer
    x = 1,575,590.34

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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.